Becky O'Brien always wanted to work with ocean life, but she didn't realize she'd be able to do the job in the middle of the Las Vegas desert.

A new study analyzing two fossilized whale skulls from around 5 million years ago has revealed fragments of sharks' teeth ...

Whale sharks are the largest species of fish on the planet. They are among the largest animals to have ever lived. Only blue whales, sperm whales, and humpback whales (all mammals) are larger. The ...

Two 10-million-year-old whale fossils have been discovered beneath a beach in Portugal, revealing an ancient lost sea.

Rebecca, the Floridian "ocean lover and diver" behind Instagram account @yogi.backpack, shared a harrowing story on March 8 ...

The Mediterranean Sea is home to some of the ocean's largest animals. Among the nine species of cetaceans commonly found along its western shores are the fin whale (Balaenoptera physalus, the world's ...

On March 6, three orcas showed up in Canada’s Vancouver Harbour, later heading south to Seattle, Tacoma and Olympia, that ...

A 10-foot great white shark named 'Bella' is pinging off the Sarasota, Florida coast. Learn about her journey.

From playful and delicate marine life to dramatic encounters with powerful predators, these winning photos capture remarkable ...

Nobody has ever known where tiger sharks go to mate. But new data suggests there’s one Hawaiian spot that draws a big ...

Passengers and crew on a boat headed from Ventura to Santa Cruz Island spotted a 20-foot basking shark this week. Here's what ...