From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Chinese scientists have identified eight potential karst caves on Mars, formed by water, marking a significant breakthrough in astrobiology.

In a quiet corner of an ancient riverbed on Mars, a speckled rock has pushed the search for extraterrestrial life into its ...

A study has cast doubt on the idea that Jupiter's moon Europa, where NASA has sent a spacecraft, could have conditions to ...

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

New research casts doubt on the prospects for a habitable, active environment beneath the frozen surface of Jupiter’s moon ...

The first astronauts who walk on Mars are now being told to go as planetary detectives, not just pathfinders. A sweeping new scientific blueprint argues that the central task of those early crews ...

2025 MN45 isn't the overall spin-rate record holder. Astronomers have found a number of small asteroids — those just a few ...