A deep-sea camera captured the first-ever shark recorded in Antarctic waters - a 10- to 13-foot sleeper shark swimming 1,608 feet below the surface.

A young white shark named Penny has emerged northwest of Key West in the Gulf of America for the first time this year.

Sharks are often imagined as massive, powerful predators cruising through open water, but not all sharks are great white-sized. Along the coasts of the United States and in the deep offshore waters, there are shark species so small they can fit in the palm of your hand.

A deep-sea camera just recorded something no one expected to find in Antarctica's freezing ocean.

A deep-sea camera lowered off the South Shetland Islands, a group of Antarctic islands, was supposed to do what deep-ocean cameras do best: sit quietly in the cold dark and record whatever passes through.

Sharks and rays in the Western Indian Ocean are facing an extinction crisis. Almost half of the region’s 270 known species (46%) are currently threatened with extinction. A recently released study by the Shark Specialist Group of the IUCN,

>>EWAT 7 TO AGE AND CLU COULD BE HIDING RIGHT BENEAT YOUR FEET. DING RIGHT BENEAT LOCALCITISTS ARE USG THESFOILS FOUNIN TH GULF TLEARN MORE ABOUT ANS TH MAY HAVE LIVED HERE MILOFYEARAGO. >> IN TOGHT'S COVER STORY, GULF COAST NEWSCH CHRIS T SOTO DIVES INTO ...

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 dolphin isn’t playing; it’s using the sponge as a diving mask: a clear example of tool use in a marine species.

For the second year in a row, New Jersey had no shark bites off its coast. Swimmers elsewhere were not so lucky.