These top predators eat smaller animals, balancing the populations of fish and other marine life. For example, sharks protect ...

The newly identified American Pocket Shark was first discovered in the Gulf of Mexico in 2010. Mark Doosey/Tulane University . In 1979, researchers in the Eastern Pacific Ocean scooped up a small ...

Scientists have identified two new species of shark that live in the depths of the West Indian ocean. The new species are six-gill sawsharks, which have distinctive snouts filled with teeth and ...

But the small shark species must endure the harsh temperature – if it swims to deeper waters, it will be vulnerable to larger predators like bull sharks, Rummer said.

Sharks with brown skin with pale spots and the size of a typical housecat are trolling the deep waters surrounding the Galapagos Islands, scientists have learned. Measuring just 1.3 feet long, the ...

Florida International University (FIU) scientists have finally identified a new species of hammerhead shark years after first collecting samples, but the shark's official discovery comes as its ...

In 1975, the summer blockbuster "Jaws" popularized the idea of the killer shark — but humans pose more of a threat to the ...

A 20-year-old woman suffered minor injuries when she was apparently bitten by a sand tiger shark while standing in waist-deep ...

Small sharks, deep-water species, and those that rely on constant swimming to breathe, like threshers and hammerheads, were ...

Scientists have identified two new species of shark that live in the depths of the West Indian ocean. The new species are six-gill sawsharks, which have distinctive snouts filled with teeth and ...

A bonnethead shark is seen at the Aquarium of the Pacific in Long Beach, California, on April 26, 2012. Scientists recently named a new species of shark that closely resembles the bonnethead species.