Mars has a curious past. Rovers have shown unequivocal evidence that liquid water existed on its surface, for probably at least 100 years. But climate models haven’t come up with how exactly that happened with what we currently understand about what the Martian climate was like back then. A new paper, published in the journal AGU Advances by Eleanor Moreland, a graduate student at Rice University, and her co-authors, has a potential explanation for what might have happened - liquid lakes on the Red Planet would have hid under small, seasonal ice sheets similar to the way they do in Antarctica on Earth.
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NASA says it will return 4 astronauts home early in 1st-ever medical evacuation from the International Space Station
NASA has decided to bring the four astronauts of SpaceX's Crew-11 mission home from the International Space Station early due to a medical issue experienced by a crewmember in orbit.
NASA X-ray spacecraft reveals the shockingly violent history of the Milky Way's supermassive black hole
"Nothing in my professional training as an X-ray astronomer had prepared me for something like this."
February full moon 2026: When, where and how to see the Snow Moon
Your guide to February's full Snow Moon, from peak times to skywatching highlights.
How does NASA handle astronaut medical issues in space?
NASA just postponed a spacewalk because of a medical concern with an astronaut. Here's how the agency has handled such issues in the past.
Starless Gas Cloud Might Harbor Dark Matter
Astronomers discovered a cloud of hydrogen gas that’s devoid of stars. Held together by an invisible halo of dark matter, the starless cloud may elucidate its nature.
Vera Rubin Observatory discovers fastest spinning asteroid ever and its huge!
The Vera Rubin Observatory has found 19 new "superfast rotator" asteroids, including the fastest-spinning big space rock ever found.
NASA's Mars Sample Return Is Dead, Paving The Way For China
It looks like NASA's Mars Sample Return (MSR) mission has come to a bureaucratic end. The mission was to be the crowning achievement in the study of Mars and all the questions surrounding its ancient habitability. But the US Congress has drastically cut the mission's funding.
Northern lights may be visible in 12 states tonight
Auroras may be visible from Alaska to New York as incoming coronal mass ejections and high-speed solar winds could trigger geomagnetic storms tonight.
The final 'Greenland 2: Migration' trailer is here, and it's got the '90s disaster movie vibes we've been craving (video)
Gerard Butler and Morena Baccarin return in an epic sci-fi survival sequel to 2020's surprise hit, "Greenland".
Former CEO of Google spearheads 4 next-gen telescopes — 3 on Earth and 1 in space
"We're going to do it in three years, and we're going to do it for a ridiculously low price."
Stream Starfleet Academy and all the other top sci-fi shows coming in 2026 while traveling — and save money
Watch your favorite series just as you would at home with a huge 70% discount on the best VPN service overall.
Comet 24P/Schaumasse makes its closest approach to the sun today: But will you be able to see it?
Solar system comets are often at their brightest as they draw close to the sun
An extremely rare Callisto event on January 10th
Observers across America may witness a special transit and shadow event of Jupiter’s moon on opposition day.
Space telescopes capture breathtaking galactic hug | Space photo of the day for Jan. 8, 2026
Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.
ESA Director General’s 2026 annual press briefing
Video: 01:30:00
Josef Aschbacher, Director General of the European Space Agency, briefed journalists on the main milestones for 2026, such as the launch of Smile, a mission that will give humankind its first complete look at how Earth reacts to streams of particles and bursts of radiation from the Sun. Later in 2026 should also see the arrival of BepiColombo at Mercury after its eight-year trip, where it will gather data to answer many perplexing questions about the least-explored planet of the inner Solar System. Many more exciting missions are expected, with ESA astronaut Sophie Adenot launching for the International Space Station, and various Earth Observation and Navigation launches from Europe’s Spaceport in French Guiana.
'Super star' being shredded by black hole releases as much energy as 400 billion suns
"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a star."
ESA preview 2026
Video: 00:06:21
As a new year begins, let’s take a look at what’s ahead for the European Space Agency in 2026. From Earth to the farthest reaches of the Solar System, 2026 marks a year of firsts that continue to shape the future of space.
ESA and Playmobil launch Mars mission collection
The European Space Agency (ESA) and Playmobil are expanding their successful partnership with a brand-new collection of space-themed toys, bringing a distinctly European vision of Mars exploration into the hands of young explorers.
NASA considering bringing astronauts home early from International Space Station due to medical issue
NASA is evaluating its options for dealing with an astronaut health issue in orbit, one of which is an early end to SpaceX's Crew-11 mission to the International Space Station.
