Might the secret to Mars’ habitability be hidden in the chemistry of its rocks? New high-resolution data from NASA’s Perseverance rover indicate that Jezero Crater, long occupied by an ancient lake, ...

A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their interiors during formation. Instead of vast oceans, ...

Asteroid Ryugu contained water according to the radioactive decay of lutetium-176 (176Lu) to hafnium-176 (176Hf).

NASA's Deep Space Optical Communications technology has successfully shown that data encoded in lasers can be reliably transmitted, received, and decoded after traveling millions of miles from Earth ...

Saturn’s moon Enceladus has long dazzled scientists with its icy plumes that spew water and mysterious organic molecules into space, fueling hopes of a habitable ocean beneath. But new experiments ...

This year’s IAEA Scientific Forum has highlighted how nuclear sciences and isotope hydrology are advancing solutions to global water challenges. The flagship side event at the 69th IAEA General ...

An exoplanet orbiting a dwarf star 124 light-years from Earth made headlines around the world in April 2025. Researchers at ...

NASA has selected Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen as the crew for the Artemis 2 mission. They are scheduled to launch no ...

Life on the International Space Station isn't always easy. There's not a lot of room, no showers, and no laundry. Photos show ...

A new analysis of asteroid Ryugu hints that the "potentially hazardous" space rock once had flowing water in its core, ...

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...

Perplexity has drawn plenty of its headlines for its relentless fundraising—which recently valued the artificial intelligence ...