"I’ve been down 3,000 feet alone in the ocean, which has got to be one of the loneliest places on the planet," Widder says.

Researchers from the University of Delaware’s College of Earth, Ocean and Environment helped lead the charge of underwater discovery in 2025, leading research cruises that each employed one of the ...

China has carried out its first manned deep dive beneath the Arctic ice, as part of its 15th and largest Arctic Ocean scientific expedition, which concluded last month. The mission also marked the ...

COLUMBIA, S.C. (WIS) - The surface of the Earth is about two-thirds water, but how much of the world’s deep seas do you think we’ve explored? Dr. Katy Croff Bell founded the Ocean Discovery League and ...

Scientists have found that oceanic manta rays routinely make extreme dives of more than 1,200 meters – three-quarters of a mile – but it's not to feed, nor is it happening everywhere in deep water.

Deep-sea diving can be an incredible experience with countless coral beds and marine life to explore. However, as one diver recently discovered, these explorations aren’t without their risks. A video ...

A photographer captured this extraordinary site where whales' bodies lie in the shallows, with troubling repercussions for the deep oceans.

Dumbo octopuses, like the Opisthoteuthis agassizii seen here during a 2019 dive, are the deepest-living group of octopuses known. NOAA Office of Ocean Exploration and Research, 2019 Southeastern U.S.

This is the terrifying moment student divers came face-to-face with an extremely rare deep-water shark off California. Murky footage showed the prickly shark suddenly appear out of the darkness during ...