Biologists are confronting a problem they thought they had mostly solved: what, exactly, counts as life. A wave of ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

A sweeping genetic screen reveals how the brain is built and exposes a hidden gene behind a newly discovered childhood brain ...