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

Here are 10 major findings about human ancestors and our close ancient relatives that scientists announced in 2025. A handful of teeth found at the Ledi-Geraru site in Ethiopia suggest that diverse ...

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

Revolutionary fossil evidence from Ethiopia is challenging decades of scientific consensus about human origins. New discoveries suggest that the famous Lucy fossil, long considered a direct ancestor ...