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.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

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

Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater, scientists theorize that its frozen ...

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

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

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 giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

The goal should be a new golden rule linking the search for life elsewhere to the spread of life beyond the bounds of Earth.

The potential for sending payloads and people to Mars is therefore becoming plausible in a way that it never has before. Mars ...

Yes, zombie creatures from another world could indeed land on a defenseless planet, but in a twist, it's the Earthlings who ...