The world's two gigantic ice sheets are in greater peril from global warming than previously thought, a study published May 20 says.

One in three people relies on the oceans for their livelihood, yet they remain little-known, with neither global governance nor the financing needed for their preservation.

A massive crack is forming beneath one of the world's continents, and scientists believe it could one day split the continent ...

More than 1.1 billion years ago, an immense geological fault called the Midcontinent Rift began to form beneath what is now ...

Scientists and the military are monitoring in real time the deformation of Deception Island, where past eruptions destroyed ...