Getting enough oxygen in the water can be hard work. While fish and many other aquatic animals take air directly from the water through gills, other animals find ingenious ways to drag air bubbles ...

A wildlife photographer has captured what are believed to be the first underwater images of the rare, elusive Ross seal.

Discover how the diving bell spider constructs a silk platform underwater and uses it to trap air and make a diving bell.

At times, there are some moments between humans and marine animals that take everyone by surprise. Whether it’s a dolphin playing with a swimmer, a sea turtle staring at a random diver, or an octopus ...

SAN JUAN ISLAND, Wash. (AP) — As dawn broke over San Juan Island, a team of scientists stood on the deck of a barge and unspooled over a mile of fiber-optic cable into the frigid waters of the Salish ...