Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer ...

Great white sharks are the ocean’s ultimate ambush predators – immense, lightning-fast and armed with rows of razor-sharp ...

The narwhal is famous for its "unicorn horn," but a recent study suggests these whales might also use their long, spiraled tusks to play!

The killer whales ripped the liver out of a shark and passed it around—only the second time orcas have been seen engaging in ...

Orcas, or killer whales, are deadly and beautiful apex predators. Man charged in fatal shooting of cleaning woman who ...

A 9 foot, 8 inch white shark recently pinged off the coast of Beaufort, North Carolina, and it wasn’t just any shark on the ...

Behemoth, Leviathan, and more: were these mysterious animals of the Bible modern animals, dinosaurs, or something else ...

A study reveals that certain West Coast orcas belong to distinct social groups with different habits and diets. NPR's Scott Simon speaks with ecologist Josh McInnes about how the groups differ.

Costa Rica is a beautiful country. It’s a very popular summer destination, especially for eco-tours and swimming. Not only ...

There's usually not much an animal can do to escape if an orca has decided it will serve as a suitable meal. However, one seal was able to outwit the ...

Researchers recorded an orca pod hunting great white sharks in the Gulf of California and devouring their livers.

A wildlife photographer captured a dramatic encounter on video between a harbor seal and a pod of killer whales.