Just 25 light-years from Earth, astronomers have watched a planetary system tear itself apart in real time, catching the dusty aftermath of violent impacts that were once only theoretical. Instead of ...

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

The transition from simple chemistry to the complex biology of molecules that gave rise to life is a puzzle that scientists ...

Earth’s magnetic field has long been framed as a planetary force field, a protective bubble that keeps the worst of the Sun’s ...

Caltech is a place unlike any other, an Institute that is truly “small but mighty.” Its small size and the expertise of its ...