Longest mountain range, running through the Atlantic Ocean, separating the Eurasian and North American plates in the north, ...

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

What are the top facts about the ocean? While much is known about the ocean, a large part of it remains unknown. Here are fun facts about it for people of all ages.

In the arid deserts of Ethiopia, a geological marvel has been quietly unfolding since 2005—a 35-mile-long fissure known as ...