WASHINGTON — Some species of shark return to the same breeding grounds for decades at a time, and live longer than previously thought, scientists studying the animals off Florida say. Scientists with ...

Scientists Wes Pratt, left, and Nick Whitney measure an adult nurse shark on the nurse shark courtship and mating ground June 24 in the Dry Tortugas, Fla. Scientists say some species of shark return ...

A black-and-cream leopard shark enters a hypnotic-like state of relaxation as scientists at Sydney Aquarium carefully roll her onto her back in a small pool. The shark, named Zimba, is one of the ...

Sharks in rivers may sound strange, but some Indian rivers are habitats for them. Sharks, like bull sharks and river sharks, can survive in both saltwater and freshwater. They enter rivers to hunt, ...

For the first time, scientists have captured video evidence of what appears to be blue shark mating behavior off the Basque ...

A 700-pound great white shark named Bella has been tracked heading toward Virginia Beach during the holiday season, traveling ...

A newborn great white shark has been spotted in the wild for the first time, experts believe. The baby shark was spotted in waters off Santa Barbara in southern California last July by wildlife ...

Sharks have undeservedly earned a bad reputation, striking fear in the hearts of many, who often describe oceans as "infested" with the creatures. But it's not technically possible for them to infest ...

Three endangered leopard sharks have been spotted mating together in a rare event caught on camera by an Australian researcher. University of the Sunshine Coast marine biologist Hugo Lassauce captured ...

Just in time for Christmas, an aquarium in Chicago heralded a virgin birth. Instead of mating, a zebra shark used her own genetic material to fertilize two eggs, Shedd Aquarium officials announced ...