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

Mars may be tens of millions of kilometers away, but for planetary scientists, the most revealing rehearsal space sits in the ...

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

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...