The BBC checks in on "the pioneers of space exploration — the 24 Nasa astronauts who travelled to the Moon in the Apollo missions of the 1960s and 1970s." Ken Mattingly and Frank Borman died within a few days of each other late last year. Now only eight people who have voyaged beyond the Earth's orbit remain. Who are they, and what are their stories...? There are only four people still alive who have walked on the Moon — Charlie Duke is one of them. He did it aged 36, making him the youngest person to set foot on the lunar surface... Charlie Duke now lives outside San Antonio, Texas, with Dorothy, to whom he has been married for 60 years....

Jim Lovell is one of only three men to have travelled to the Moon twice, and following Frank Borman's death in November 2023, he became the oldest living astronaut....

After leaving Nasa in 1975, [Harrison Schmitt] was elected to the U.S. Senate from his home state of New Mexico, but only served one term. Since then he has worked as a consultant in various industries as well as continuing in academia.
And when confronted by a man claiming Apollo 11 was an elaborate lie, 72-year-old Buzz Aldrin "punched him on the jaw." Despite struggles in later life, he never lost his thirst for adventure and joined expeditions to both the North and South Poles, the latter at the age of 86. While embracing his celebrity, he has remained an advocate for the space programme, especially the need to explore Mars.

"I don't think we should just go there and come back — we did that with Apollo," he says.
Last 93-year-old Buzz Aldrin got married — and thanked his fans for remembering his birthday. "It means a lot and I hope to continue serving a greater cause for many more revolutions around the sun."

The White House has convened a last-minute meeting to discuss a private lunar mission, Peregrine Mission One, after the Navajo Nation requested a delay due to cultural concerns over the transport of human ashes for burial on the moon. "The moon holds a sacred place in Navajo cosmology," said Navajo Nation President Buu Nygren in a statement. "The suggestion of transforming it into a resting place for human remains is deeply disturbing and unacceptable to our people and many other tribal nations."

If successful, the commercial mission scheduled to launch Monday "will be the first time an American-made spacecraft has landed on the lunar surface since the end of the Apollo program in 1972," notes CNN. Longtime Slashdot reader garyisabusyguy shares the report: The private companies providing these lunar burial services, Celestis and Elysium Space, are just two of several paying customers hitching a ride to the moon on Pittsburgh-based Astrobotic Technology's Peregrine lunar lander. The uncrewed spacecraft is expected to lift off on the inaugural flight of the United Launch Alliance's Vulcan Centaur rocket from Florida's Cape Canaveral Space Force Station. Celestis' payload, called Tranquility Flight, includes 66 "memorial capsules" containing "cremated remains and DNA," which will remain on the lunar surface "as a permanent tribute to the intrepid souls who never stopped reaching for the stars," according to the company's website.

"We are aware of the concerns expressed by Mr. Nygren, but do not find them substantive," Celestis CEO Charles Chafer told CNN. "We reject the assertion that our memorial spaceflight mission desecrates the moon," Chafer said. "Just as permanent memorials for deceased are present all over planet Earth and not considered desecration, our memorial on the moon is handled with care and reverence, is a permanent monument that does not intentionally eject flight capsules on the moon. It is a touching and fitting celebration for our participants -- the exact opposite of desecration, it is a celebration." Elysium Space has not responded to CNN's request for a comment, but the company's website describes its "Lunar Memorial" as delivering "a symbolic portion of remains to the surface of the Moon, helping to create the quintessential commemoration." "I've been disappointed that this conversation came up so late in the game," John Thornton, Astrobotic Technology CEO, said. "I would have liked to have had this conversation a long time ago. We announced the first payload manifest of this nature to our mission back in 2015. A second in 2020. We really are trying to do the right thing and I hope we can find a good path forward with Navajo Nation." [...]

Friday's meeting convened by the White House is scheduled to feature representatives from NASA, the FAA, the US Department of Transportation, and the Department of Commerce. But Navajo Nation officials have little hope that they will be able to stop Monday's launch. "Based off of what we're seeing, and NASA are already having their pre-launch briefing, it doesn't look like they have any intention of stopping the launch or removing the remains," Ahasteen said.

NASA's Juno spacecraft made its closest flyby yet of Io, one of Jupiter's largest moons, sending back images of "sharp cliffs, edgy mountain peaks, lakes of pooled lava and even a volcanic plume," reports the New York Times. From the report: The Juno spacecraft, designed to study the origin and evolution of Jupiter, arrived at the planet in 2016. NASA extended the mission in 2021, and the orbiter has since captured photos of the Jovian moons Ganymede, Europa and most recently Io. [...] Juno conducted a number of more distant observations of Io in recent years. Its latest flyby occurred on Dec. 30, when the spacecraft came within 932 miles of the moon. The images captured during this visit were made with an instrument called JunoCam and are in visible wavelengths. They are some of the highest resolution views of Io's global structure. The mission's managers shared six images of Io on the mission's website, and members of the public have since uploaded digitally enhanced versions that highlight features on Io's surface.

Mission scientists are already at work analyzing these images, searching for differences across Io's surface to learn how often its volcanoes erupt, how bright and hot those eruptions are and how the resulting lava flows. According to Dr. Bolton, the team will also compare Juno's images to older views of the Jovian moon to determine what has changed on Io over a variety of encounters. And they'll get a second set of data to work with in a month, when Juno completes another close flyby of the explosive world on Feb. 3.

An anonymous reader shares a report: A court in Washington, D.C., has been stuck with a tough, maybe impossible question: What does full moon face emoji mean? Let me explain: In the summer of 2022, Ryan Cohen, a major investor in Bed Bath & Beyond, responded to a tweet about the beleaguered retailer with this side-eyed-moon emoji. Later that month, Cohen -- hailed as a "meme king" for his starring role in the GameStop craze -- disclosed that his stake in the company had grown to nearly 12 percent; the stock price subsequently shot up. That week, he sold all of his shares and walked away with a reported $60 million windfall.

Now shareholders are suing him for securities fraud, claiming that Cohen misled investors by using the emoji the way meme-stock types sometimes do -- to suggest that the stock was going "to the moon." A class-action lawsuit with big money on the line has come to legal arguments such as this: "There is no way to establish objectively the truth or falsity of a tiny lunar cartoon," as Cohen's lawyers wrote in an attempt to get the emoji claim dismissed. That argument was denied, and the court held that "emojis may be actionable."

The humble emoji -- and its older cousin, the emoticon -- has infiltrated the corporate world, especially in tech. Last month, when OpenAI briefly ousted Sam Altman and replaced him with an interim CEO, the company's employees reportedly responded with a vulgar emoji on Slack. That FTX, the failed cryptocurrency exchange once run by Sam Bankman-Fried, apparently used these little icons to approve million-dollar expense reports was held up during bankruptcy proceedings as a damning example of its poor corporate controls. And in February, a judge allowed a lawsuit to move forward alleging that an NFT company called Dapper Labs was illegally promoting unregistered securities on Twitter, because "the 'rocket ship' emoji, 'stock chart' emoji, and 'money bags' emoji objectively mean one thing: a financial return on investment."

"Navajo Nation President Buu Nygren has asked NASA to delay a scheduled launch to the Moon that could include cremated remains," reports Arizona Public Radio station KNAU: Nygren says he recently learned of the January 8 launch of the Vulcan Centaur carrying the Peregrine Mission One. The lander will carry some payloads from a company known to provide memorial services by shipping human cremated remains to the Moon. Nygren wants the launch delayed and the tribe consulted immediately. He noted the Moon is sacred to numerous Indigenous cultures and that depositing human remains on it is "tantamount to desecration."

NASA previously came under fire after the ashes of former geologist and planetary scientist Eugene Shoemaker were sent to the Moon in 1998. Then-Navajo Nation President Albert Hale said the action was a gross insensitivity to the beliefs of many Native Americans. NASA later apologized and promised to consult with tribes before authorizing any similar missions in the future.

An anonymous reader quotes a report from Bloomberg, written by Naomi Kresge: In the early days of the Covid-19 pandemic, hundreds of scientists from all over the world banded together in an open-source effort to develop an antiviral that would be available for all. They could never have anticipated the many roadblocks they would face along the way, including the Russian invasion of Ukraine, which made refugees out of a group of Kyiv chemists who were doing important work for the project. The group, which called itself Covid Moonshot, hasn't given up on its effort to introduce a more affordable, patent-free treatment for the virus. Their open-source Covid antiviral, now funded by Wellcome, is on track to be ready for human testing within the next year and a half, according to Annette von Delft, a University of Oxford scientist and one of the Moonshot group's leaders. More early discovery work on a range of potential inhibitors for other viruses is also still going on and being funded by a US government grant.

"It's a bit like a proof of concept," von Delft says, for bringing a patent-free experimental drug into the clinic, a model that could be repurposed as a tool to fight neglected tropical diseases or antimicrobial resistance, or prepare for future pandemics. "Can we come up with a strategic model that can help those kinds of compounds with less of a business case along?" Of course, there was definitely a business case for a Covid antiviral, and some of the biggest drugmakers rushed to develop them. In 2022, Pfizer Inc.'s Paxlovid was one of the world's best-selling medicines with $18.9 billion in revenue. Demand has since cratered for the pill, which needs to be given shortly after infection and can't be taken alongside a number of other commonly prescribed medicines. Analysts expect the Paxlovid revenue to plunge just shy of $1 billion this year.

However, there is still a need for a better Covid antiviral, particularly in countries where access to the Pfizer pill is limited, according to von Delft. Covid cases have surged again this holiday season, with the rise of a new variant called JN.1 reminding us that the virus is still changing to evade the immunity we've built up so far. Just before Christmas, UK authorities said about one in every 24 people in England and Scotland had the disease. An accessible antiviral could help people return to work more quickly, and it could also be tested as a potential treatment for long Covid. "We know from experience in viral disease that there will be resistance variants evolving over time," von Delft said. "We'll need more than one."

Andy Maxwell reports via TorrentFreak: As the crew of Artemis 2 prepare to become the first humans to fly to the moon since 1972, the possibilities of space travel are once again igniting imaginations globally. More than 92% of internet users who want to learn more about this historic mission and the program in general are statistically likely to use Google search. Behind the scenes, however, the ability to find relevant content is under attack. Blundering DMCA takedown notices sent by a company calling itself DMCA Piracy Prevention Inc. claim to protect the rights of an OnlyFans/Instagram model working under the name 'Artemis'. Instead, keyword-based systems that fail to discriminate between copyright-infringing content and that referencing the word Artemis in any other context, are flooding towards Google. They contain demands to completely deindex non-infringing, unrelated content, produced by innocent third parties all over the world.

A recent deindexing demand dated December 13, 2022, lists DMCA Piracy Prevention Inc. of Canada as the sender. The name of the content owner is redacted but the notice itself states that the company represents a content creator performing under the name Artemis. The notice demands the removal of 3,617 URLs from Google search. If successful, those URLs would be completely unfindable by more than 92% of the world's population who use that search engine. [...] At least 9 of the first 20 URLs in the notice demand the removal of non-infringing articles and news reports referencing the Artemis space program. None have anything to do with the content the sender claims to protect. [...]

Theories as to who might own and/or operate DMCA Piracy Prevention Inc. aren't hard to find but the company does exist and is registered as a corporate entity in Canada. Registered at the same address is a company with remarkably similar details. BranditScan is a corporate entity operating in exactly the same market offering similar if not identical services. BranditScan has sent DMCA takedown notices to Google under three different notifier accounts.

AstroForge, a private company, wants to mine a space rock, but it doesn't want the competition to find out which one. From a report: For generations, Western space missions have largely occurred out in the open. We knew where they were going, why they were going there and what they planned to do. But the world is on the verge of a new era in which private interests override such openness, with big money potentially on the line. Sometime in the coming year, a spacecraft from AstroForge, an American asteroid-mining firm, may be launched on a mission to a rocky object near Earth's orbit. If successful, it will be the first wholly commercial deep-space mission beyond the moon. AstroForge, however, is keeping its target asteroid secret.

The secret space-rock mission is the latest in an emerging trend that astronomers and other experts do not welcome: commercial space missions conducted covertly. Such missions highlight gaps in the regulation of spaceflight as well as concerns about whether exploring the cosmos will continue to benefit all humankind. "I'm very much not in favor of having stuff swirling around the inner solar system without anyone knowing where it is," said Jonathan McDowell, an astronomer at the Harvard-Smithsonian Center for Astrophysics in Massachusetts. "It seems like a bad precedent to set." But for AstroForge, the calculation is simple: If it reveals the destination, a competitor may grab the asteroid's valuable metals for itself. "Announcing which asteroid we are targeting opens up risk that another entity could seize that asteroid," said Matt Gialich, AstroForge's chief executive.

During a meeting of the National Space Council, Vice President Kamala Harris said an international astronaut will land on the Moon during one of NASA's Artemis missions. "Today, in recognition of the essential role that our allies and partners play in the Artemis program, I am proud to announce that alongside American astronauts, we intend to land an international astronaut on the surface of the Moon by the end of the decade," Harris said. Ars Technica reports: Although the National Space Council is useful in aggregating disparate interests across the US government to help form more cohesive space policies, public meetings like the one Wednesday can seem perfunctory. Harris departed the stage soon after her speech, and other government officials read from prepared remarks during the rest of the event. Nevertheless, Harris' announcement highlighted the role the space program plays in elevating the soft power of the United States. It was widely assumed an international astronaut would eventually land on the Moon with NASA. Harris put a deadline on achieving this goal.

NASA has long included astronauts from its international partners on human spaceflight missions, dating back to the ninth flight of the space shuttle in 1983, when West German astronaut Ulf Merbold joined five Americans on a flight to low-Earth orbit. This was seen by US government officials as a way to foster closer relations with like-minded countries. The inclusion of foreign astronauts on US missions also repays partner nations who make financial commitments to US-led space projects with a high-profile flight opportunity for one of their citizens.

Among the international partners contributing to Artemis, it seems most likely a European astronaut would get the first slot for a landing with NASA. ESA funded the development of the service modules used on NASA's Orion spacecraft, which will ferry astronauts from Earth to the Moon and back. These modules provide power and propulsion for Orion. ESA is also developing refueling and communications infrastructure for the Gateway mini-space station to be constructed in orbit around the Moon.

A Japanese astronaut might also have a shot at getting a seat on an Artemis landing. Japan's government has committed to providing the life-support system for the Gateway's international habitation module, along with resupply services to deliver cargo to Gateway. Japan is also interested in building a pressurized rover for astronauts to drive across the lunar surface. In recognition of Japan's contributions, NASA last year committed to flying a Japanese astronaut aboard Gateway. Canada is building a robotic arm for Gateway, but a Canadian astronaut already has a seat on NASA's first crewed Artemis mission, albeit without a trip to the lunar surface.

An anonymous reader shared this report from CNN: Scientists have long viewed Saturn's moon Enceladus, which harbors an ocean beneath its thick, icy shell, as one of the best places to search for life beyond Earth. Now, a new analysis of data collected by NASA's Cassini mission, which orbited Saturn and its moons between 2004 and 2017, has uncovered intriguing evidence that further supports the idea of Enceladus as a habitable ocean world.

Enceladus initially captured the attention of scientists in 2005 because plumes of ice grains and water vapor were observed rising through cracks in the moon's ice shell and releasing into space. The spacecraft flew through the plumes and "sampled" them, with data suggesting the presence of organic compounds within the plumes, some of which are key for life. The latest data analysis of Cassini's flybys of Enceladus revealed the detection of a molecule called hydrogen cyanide that's toxic to humans but crucial to processes driving the origin of life. What's more, the team also found evidence to support that Enceladus' ocean has organic compounds that provide a source of chemical energy that could potentially be used as powerful fuel for any form of life...

The combination of these elements together suggested a process called methanogenesis, or the metabolic creation of methane, may be at play on Enceladus. Scientists suspect methanogenesis may have also played out on early Earth, contributing to the origin of life. But the new research indicates more varied and powerful chemical energy sources are occurring within Enceladus' ocean... Now, the study authors want to investigate how diluted the organic compounds are within the subsurface ocean because the dilution of these compounds could determine whether Enceladus could support life. In the future, astronomers hope to send a dedicated mission to investigate Enceladus, which could provide a definitive answer as to whether life exists in the ocean world.
"Our work provides further evidence that Enceladus is host to some of the most important molecules for both creating the building blocks of life and for sustaining that life through metabolic reactions," accoding to one of the study's lead authors.

"Not only does Enceladus seem to meet the basic requirements for habitability, we now have an idea about how complex biomolecules could form there, and what sort of chemical pathways might be involved."

In 2020 a NASA spacecraft visited the asteroid Bennu. In October it returned to earth with a sample. Monday scientists got their first data about it at a meeting of the American Geophysical Union — which is a truly big deal.

"Before Earth had biology, it had chemistry," writes the Washington Post. "How the one followed from the other — how a bunch of boring molecules transformed themselves into this special thing we call life — is arguably the greatest unknown in science." The mission's top scientist, Dante Lauretta... showed slides with a long list of intriguing molecules, including carbon-based organics, in the grains and pebbles retrieved from Bennu. They will shine light on the molecular building blocks of the solar system and "maybe — still early phase — maybe insights into the origin of life." This analysis has only just started. The team has not yet released a formal scientific paper. In his lecture, Lauretta cited one interesting triangular, light-colored stone, which he said contained something he'd never seen before in a meteorite. "It's a head-scratcher right now. What is this material?" he said.

In an interview after the lecture, Lauretta said almost 5 percent of the sample is carbon. "That is a very carbon-rich sample — the richest we have in all our extraterrestrial material. ... We're still unraveling the complex organic chemistry, but it looks promising to really understand: Did these carbon-rich asteroids deliver fundamental molecules that may have gone on to contribute to the origin of life...?"

This space dirt has astrobiological import, though. By looking at prebiotic chemistry on Bennu, scientists will have a better idea what they are looking at if and when they find suspicious molecules elsewhere in the solar system, such as on Mars, Jupiter's moon Europa or Saturn's moon Enceladus. "This is almost the perfect laboratory control from non-biological chemistry," Glavin said. "This better prepares us for our search for life on Mars, or Europa or Enceladus — places that might have had life at one point."
Space.com quotes Lauretta as saying "We definitely have hydrated, organic-rich remnants from the early solar system, which is exactly what we were hoping when we first conceived this mission almost 20 years ago."

Meghan Bartels reports via Scientific American: Some sky watchers this month will witness Betelgeuse, one of the brightest and best-known stars in the sky, nearly disappear. Mere seconds later -- despite astronomers' hopes that the star will meet its explosive end someday soon -- it will return, shining just as brightly as ever. Betelgeuse's brief blip of obscurity will mark a cosmic coincidence: an asteroid will block the star from view over a thin strip of Earth's surface. Scientists are hailing this celestial alignment as a once-in-a-lifetime occasion that, they hope, will permit them to glimpse Betelgeuse's ever changing surface of hot and cold patches in the best resolution to date. The opportunity comes courtesy of a sizable asteroid called Leona, which astronomers first spotted in 1891. On its own, Leona is just another space rock cluttering up the asteroid belt between Mars and Jupiter. But at 8:17 P.M. ET on December 11 Leona will slip directly between Earth and Betelgeuse, a red supergiant star that, unlike the asteroid, has been recognized by countless generations of humans around the world. [...]

To understand how special the event is, consider the total solar eclipse that will occur in April 2024. During the climax of the eclipse, viewers across a narrow strip of Earth's surface will see the moon pass directly in front of the sun. Because the two bodies appear as the same size in our sky, the moon will entirely block the visible disk of the sun and expose the faint, wispy halo called the corona, a layer of our home star's atmosphere that scientists otherwise cannot see from Earth. Similarly, the roughly 40-mile-wide Leona appears in the sky as about the same size as the enormous but very distant Betelgeuse. This will allow the asteroid to block all or most of the star's light when the two bodies perfectly align. But whereas Earth experiences a total solar eclipse every 18 months or so, occultations of bright stars such as Betelgeuse are extremely rare, occurring less than once a century [...].

SpaceX's next test of its Starship rocket is expected to include "a propellant transfer demonstration." CNBC reports: SpaceX last month launched its second Starship flight, a test which saw the company make progress in development of the monster rocket yet fall short of completing the full mission. The propellant transfer demonstration would require that the rocket reach orbit as one of the demo's goals. A successful attempt would push Starship beyond its benchmarks reached thus far. "NASA and SpaceX are reviewing options for the demonstration to take place during an integrated flight test of Starship and the Super Heavy rocket. However, no final decisions on timing have been made," NASA spokesperson Jimi Russell said in a statement to CNBC.

The "propellant transfer demonstration" falls under a NASA "Tipping Point" contract that the agency awarded SpaceX in 2020 for $53.2 million. As part of the contract, NASA wants SpaceX to develop and test "Cryogenic Fluid Management" (CFM) technology, which the agency notes is essential for future missions to the moon and Mars. [...] Under the NASA contract, SpaceX's first demo will involve transferring 10 metric tons of liquid oxygen between tanks within the Starship rocket. While Starship won't be rendezvousing with another tanker rocket for this demo, NASA considers the test progress in maturing the tech. "The goal is to advance cryogenic fluid transfer and fill level gauging technology through technology risk assessment, design and prototype testing, and in-orbit demonstration. The demonstration will decrease key risks for large-scale propellant transfer in the lead-up to future human spaceflight missions," NASA says.

An anonymous reader shares a report: A little more than three months ago the Indian space agency, ISRO, achieved a major success by putting its Vikram lander safely down on the surface of the Moon. In doing so India became the fourth country to achieve a soft landing on the Moon, and this further ignited the country's interest in space exploration. But it turns out that is not the end of the story for the Chandrayaan 3 mission. In a surprise announcement made Monday, ISRO announced that it has successfully returned the propulsion module used by the spacecraft into a high orbit around Earth. This experimental phase of the mission, the agency said in a statement, tested key capabilities needed for future lunar missions, including the potential for returning lunar rocks to Earth.

Banks using generative artificial intelligence tools could boost their earnings by as much as $340 billion annually through increased productivity, according to consultants hoping to help the industry adapt in this fast-moving area. From a report: This would amount to a 9% to 15% increase in operating profits, according to a McKinsey Global Institute report published Tuesday. Corporate and retail banks have the most to gain, the authors claimed. Generative AI was popularized last year when OpenAI's ChatGPT tool launched, offering users sentences, summaries or even poetry based on simple prompts. The technology is trained on vast quantities of existing material that is used to generate its responses.

Tools like this could eventually take over repetitive tasks from most human workers, according to McKinsey's research on 63 use cases across industries. While the initial efficiencies are set to be within companies -- and the timeframe for adoption is unclear -- the finance sector can expect the AI shift in the future "to be a lot more on the customer facing side," McKinsey senior partner Gokhan Sari said in an interview. Sales and marketing, software engineering, and call center roles are among those most likely to be affected, said senior McKinsey partner Jared Moon. As many as 70% of business activities will have automated parts, which will leave only "a very small proportion" of jobs untouched, Moon added.

An anonymous reader shares a report: Who censored Robert De Niro? The "Killers of the Flower Moon" actor was gearing up to slam Donald Trump at Monday's Gotham Awards, but when he took the stage he discovered that the speech he planned to give had been altered at the behest of Apple, the film's producer. The company was responding to feedback from the filmmaking team that wanted the actor's remarks to be centered on the movie, according to a source.

The actor said he had not been informed of the changes, which took out any mention of the former president. De Niro, who was on hand to present "Killers of the Flower Moon" with the Gotham Historical Icon and Creator Tribute, criticized the awards show and Apple. "I don't feel like thanking them at all for what they did," he said. "How dare they do that, actually." A revised version of the speech was delivered to the teleprompter less than ten minutes before the event started, according to sources with knowledge of the show. A woman who told the teleprompter operator to upload a new speech was overheard identifying herself as an Apple employee.

An anonymous reader shared this report from the Washington Post: In 2024, a new spacecraft will hurtle toward Jupiter in a bid to learn whether its moon Europa is capable of supporting life. The craft will carry more than high-tech sensors: It also will bear a poem and hundreds of thousands of human names.

Yours could be one of them.

NASA is asking people to submit their names ahead of the mission's October 2024 launch. Those submitted by the end of 2023 will go into space on the Europa Clipper spacecraft, which should enter Jupiter's orbit in 2030... They'll eventually be stenciled onto a dime-sized microchip in microscopic writing, then attached to a metal plate engraved with the poem that will accompany the craft.
700,000 names have been submitted so far — and they'll all be carried a distance of over 1.8 billion miles.

They'll travel through space with a poem that ends by describing what we humans on earth are made of — including "a need to call out through the dark."

As if homesickness, wasting muscles, thinner bones, an elevated cancer risk, the inescapable company of overachievers and the prospect of death in the endless vacuum of space were not enough to contend with, male astronauts may return from deep space prone to erectile dysfunction, scientists say. From a report: In what is claimed to be the first study to assess the impact of galactic radiation and weightlessness on male sexual health, Nasa-funded researchers found that galactic cosmic rays, and to a lesser extent microgravity, can impair the function of erectile tissues, with effects lasting potentially for decades. Raising their concerns in a report on Wednesday, the US researchers said they had identified "a new health risk to consider with deep space exploration." They called for the sexual health of astronauts to be closely monitored on their return from future deep space missions, noting that certain antioxidants may help to counteract the ill-effects by blocking harmful biological processes.

"While the negative impacts of galactic cosmic radiation were long-lasting, functional improvements induced by acutely targeting the redox and nitric oxide pathways in the tissues suggest that the erectile dysfunction may be treatable," said Dr Justin La Favor, an expert in neurovascular dysfunction at Florida State University and a senior author on the study. The warning comes amid a renewed focus on deep space missions, with Nasa and other major space agencies preparing for long-term expeditions to the moon and more ambitious voyages to Mars. Nasa's Artemis programme aspires to send astronauts to the moon as early as next year, with crewed missions to Mars tentatively lined up for as early as 2040.

Rahul Rao reports via Space.com: On Nov. 14, NASA picked up a laser signal fired from an instrument that launched with the Psyche spacecraft, which is currently more than 10 million miles (16 million kilometers) from Earth and heading toward a mysterious metal asteroid. (The spacecraft is at more than 40 times the average distance of Earth's moon, and still voyaging afar.) The moment marked the first successful test of NASA's Deep Space Optical Communications (DSOC) system, a next-generation comms link that sends information not by radio waves but instead by laser light. It's part of a series of tests NASA is doing to speed up communications in deep space, on different missions. "Achieving first light is a tremendous achievement. The ground systems successfully detected the deep space laser photons from DSOC," Abi Biswas, the system's project technologist at NASA's Jet Propulsion Laboratory (JPL) in Southern California, said in an agency statement.

"And we were also able to send some data, meaning we were able to exchange 'bits of light' from and to deep space," Biswas added.

Earlier this month, the entire Optus mobile network went offline nationwide following a "routine software upgrade." According to Reuters, "More than 10 million Australians were hit by the 12-hour network blackout [...], triggering fury and frustration among customers and raising wider concerns about the telecommunications infrastructure." Now, according to the Australian Broadcasting Corporation, Optus CEO Kelly Bayer Rosmarin has resigned in the wake of the outage. From the report: She said it "had been an honour to serve" but that "now was an appropriate time to step down." During Friday's Senate hearing into the outage, Ms Bayer Rosmarin rebuffed suggestions she was under pressure to step down. "On Friday, I had the opportunity to appear before the Senate to expand on the cause of the network outage and how Optus recovered and responded," she said in a statement on Monday. "I was also able to communicate Optus's commitment to restore trust and continue to serve customers. Having now had time for some personal reflection, I have come to the decision that my resignation is in the best interest of Optus moving forward."

Ms Bayer Rosmarin will be replaced in the interim by chief financial officer Michael Venter. Yuen Kuan Moon, the chief executive of Optus's Singaporean parent company Singtel Group, said the company understood her decision to resign. Mr Yuen said Singtel recognised "the need for Optus to regain customer trust and confidence as the team works through the impact and consequences of the recent outage and continues to improve." He said Optus's priority was about "setting on a path of renewal for the benefit of the community and customers." Singtel said Optus had also created a new chief operating officer position, which would be carried out by former Optus Business Managing Director Peter Kaliaropoulos.