Long before the rise of the great white, a prehistoric shark dominated ancient oceans with a design built for overwhelming ...

"You're winning when your white sharks are hanging out in a place like that." Experts thrilled after massive sea predator ...

In the absence of great white sharks, copper sharks ( Carcharhinus brachyurus) are moving in to fill the vacant ecological ...

An Australian fossil reveals the first lamniform shark, measuring 20 feet long and living 15 million years earlier than believed.

Mosasaurs were enormous reptiles best known for ruling ancient oceans more than 66 million years ago, but new evidence suggests some also lived in rivers. Scientists reached this conclusion after ...

It’s apparently the first fatal shark attack at Lovers Point in more than 70 years, but 3 years after a fellow swimmer was ...

HRI's “Beachcombing” weekly series offers an opportunity to see strange, fascinating objects and species on the beach, but it also offers a window into the Gulf of Mexico.

From acrobatic gorillas to maritime lions and fluorescent plants, here are the most eye-catching shots of the natural world ...

Research shows male dolphins with strong friendships age more slowly. Social bonds reduce stress and protect health at the ...

A surfer survived a shark encounter at Dillon Beach, Marin County, with the animal leaving a nose imprint on his board.

Off the New England coast, critically endangered whales are feeding on invisible swarms of red plankton—now suddenly visible ...

Antarctica, one of the most remote places on Earth, teems with life. For tourists who make it this far south, the experience ...