New research shows La Niña may have driven the collapse of deep-sea corals in the Galápagos, lasting over 1,000 years.

The Antarctic sea, where glaciers drift across the surface. What kind of world lies 1,300 meters below the surface?

More than 10,000 feet deep in the ocean, the seafloor is covered with what look like dark, lumpy potatoes. These polymetallic nodules, as they're known, take millions of years to form, slowly ...

Conservationists say retrieving mineral-rich rocks will destroy sea life. Environmental studies show conflicting results.

Learn how a dramatic climate shift in the Pacific may have wiped out an entire underwater ecosystem deep below the Galápagos ...