earth

About a quarter of sun-like stars have likely snacked on a rocky planet.

The air we breathe may be the result of a chance collaboration between microbes and the moon.

Even a 1 mile per hour speed boost would make things pretty weird.

The giant teeth can reveal clues about pollutants in the Narwhal's diet.

Bacteria and fungi were hurled into Earth’s middle stratosphere, which resembles many of Mars’ harsh conditions.

A controversial theory suggests that life could pre-date Earth.

Exactly how lucky did we get?

You don’t need to spend a ton of money to travel to remote locations.

Frozen water could be hiding in dark shadowy pockets scattered across the moon.

A unique trick could let microbes zip from Earth to Mars, for example, and survive the trek.