How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

A metallic-looking rock sitting on the Martian surface has jolted a mission that was already rewriting what we know about the ...

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

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

As NASA plans for long-term human missions beyond Earth, one question keeps resurfacing: how do you sustain life in places ...

The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...