We have only one example of biology forming in the universe – life on Earth. But what if life can form in other ways?

Extraterrestrial life may look nothing like life on Earth. So, astrobiologists need to study how complex systems evolve.

Cabo Pulmo is an underwater paradise. The national park, on the east coast of Mexico's Baja California Peninsula, is home to ...

This 2012 satellite photo shows a series of giant windblown ridges, known as yardangs, and a group of towering sand dunes at ...

The Hubble Space Telescope has been imaging the outer planets of our solar system for a decade, learning about their strange ...