New images from the North Sea show never-before-seen landforms that were carved by a single, colossal ice sheet 1 million ...

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them can help us determine if there was ever enough water on Mars to sustain ...

Researchers have uncovered physical evidence indicating that Earth was entirely frozen during the “Snowball Earth” period, spanning roughly 720 to 635 million years ago. During this period ...

For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...