Picture a dolphin diving toward the seafloor with something odd on its nose. It is not a shell or a fish. It is a sea sponge.

The U.S. Navy operates a marine mammal program where highly intelligent dolphins are trained to detect underwater mines and ...

In a groundbreaking discovery off Vancouver Island, scientists have documented killer whales and dolphins hunting Chinook salmon together. Drone and underwater footage reveals these intelligent marine ...

Robert Croft, who has died aged 91, was a US Navy diving instructor whose record-breaking feats of deep diving in the 1960s ...

India's extensive 7,500-km coastline and position in the busy Indian Ocean make it vulnerable. Can something be done?

Millions of years ago much of Mississippi was underwater and dugongs, sometimes called sea cows, roamed the warm coastal ...

Diver Hiroyuki Arakawa descends almost daily into the breathtakingly beautiful waters off the coast here, carrying an oxygen ...

Scroll long enough, and you will see barnacles portrayed all over social media as ocean troublemakers. People violently scrape them off ship hulls and sea turtles like they are the problem. In reality ...

Discover beachfront campgrounds across Florida where you can sleep beside the waves, wake to ocean views, and enjoy unforgettable coastal escapes.

Could Spinosaurus swim? A new fossil with a scimitar-like head crest provides new evidence on the unsettled question.

Thirty-nine Royal Navy submarine qualifying students have completed the classroom-based dry phase of their training at HMNB Clyde, the service stated.