The Underwater Photography Guide names the photographers who won its 11th Annual Ocean Art Underwater Photo Contest and the prizes they won. Here's a sample of the first-place winners.

A new app from Monmouth University's Urban Coast Institute brings ocean data straight to your cell phone. Here is what it ...

The ocean feels infinite. If you were to start swimming from shore, it’s easy to believe—fitness and oxygen aside—that you could continue forever. That’s a much different experience from ...

Scientists found giant buried mud waves in the Atlantic, revealing the ocean began forming earlier than thought and ...

In the late spring, a “Serengeti-scale” migration takes place under the quiet surface of the Hudson. Vast numbers of fish ...

Why does the Atlantic croaker, a marine ... S.C. Red drum males make grunting sounds beneath the ocean to attract females during mating ... How do fish produce underwater sounds? According to ...

Largest marine protected area in Atlantic Ocean will soon be official. The tiny island is the summit of a vast underwater mountain range that houses a rich diversity of species.

A strange video from the South Atlantic Ocean showed parasites on a deep-sea fish. These parasites, Lophoura szidati copepods, looked like they had pigtails. They clung to the head of a rattail ...

Scientists observed the largest-ever predatory event in the ocean when a mass of Atlantic cod consumed over 10 ... The 2014 fish gathering, called a ... Marine researchers couldn't be underwater ...

The ocean off New Jersey is filled with cargo ship traffic out of the busiest port on the East Coast, the Port of New York and New Jersey, as well fishing and recreational boat traffic.

The phenomenon is called depredation, and it’s at the core of a research project that is asking East Coast anglers to recount the moment something ate their fish off the hook in the Atlantic Ocean.