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

Some of Trump’s more recent off-the-cuff speeches and statements have been beyond bizarre – rambling, disjointed utterances ...

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

A mystery that started with the discovery of a pinkie finger bone in Denisova Cave in the Altai Mountains of southern Siberia may finally have been cracked.