A recent survey by scientists at Georgia's Gray's Reef National Marine Sanctuary used a drop camera to study the animals ...

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 recent marine expedition found fascinating new species in the deep Pacific, highlighting how little is still known about life beneath the ocean.

Discover the National Marine Sanctuary System — 18 underwater parks protecting coral reefs, shipwrecks, whales, and America’s ...

The aquariums said its aerial survey team spotted three True's beaked whales, a species "rarely seen at the surface," while above the Northeast Canyons and Seamounts Marine National Monument off the ...

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 ...

Nighttime underwater photos show fish hanging out with jellyfish and anemones — perhaps seeking their protection.

Crocodiles dominate in water with their stealthy movements and powerful tails. On land, they’re no slouches either, capable ...

Wading in the creek behind University of Delaware’s The College School, elementary students laughed and cheered as they met a challenge their teacher Laurie Drumm posed only a few months prior: build ...

If successful, the world’s 870,000 miles of existing undersea cables could become a vast ocean monitoring network.