This video shows a sperm whale (Physeter macrocephalus) swimming beneath the ocean surface in deep blue water. The whale is ...

SANTA CRUZ, CA–A new study may help explain why certain species of marine mammals seem particularly vulnerable to changes in their food supply. Researchers have found that some deep-diving sea lions ...

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before-seen marine species is part of the mission. The deep diving team heads ...

NORTH CHARLESTON, S.C. (WCIV) — When the Titan Submersible imploded last year, the world wondered how something this catastrophic could happen. The Titan was taking passengers to see the wreckage of ...

The bodies of two Italian divers have been brought to the surface after the Maldives' worst diving disaster, with two more yet to recover, a government spokesman says.

Known as Dalhousiella yabukii, the worm resides inside a glass sea sponge—a simple marine animal that forms a glass-like skeleton—in the cold, dark waters off the coast of Japan. And it’s just one of ...

A reef swim changes dramatically when marine life appears nearby. Hawksbill turtles often glide along coral ledges to feed ...