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 ...

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 ...

Scientists have developed an experimental way to study how human embryos implant in a uterus, which may provide new insights into why miscarriages occur and how they can be prevented.