A female narwhal was discovered off Donegal, marking Ireland's first recorded sighting of this Arctic species. Examination ...

Researchers have identified ginkgo-toothed beaked whales alive at sea for the first time after years of searching, and in ...

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

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

A group of whale watchers off the coast of Washington's Camano Island captured video when a seal jumped onto their boat to ...

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

Video footage captured by Charvet Drucker shows the seal jumping onto a boat as orcas chased it off of Camano Island in ...

A juvenile humpback whale was euthanized nearly two days after it was discovered stranded in an entanglement of fishing line.

A wildlife photographer out on a whale watching trip in waters off Seattle captured dramatic video and photos of a pod of ...

For the first time, scientists have quantified how many deep-sea squid short-finned pilot whales in Hawaiʻi need to eat to ...

New research confirms two distinct groups of West Coast killer whales with different diets, habitats, and behaviors.

For months, a wild dolphin in Venice, Italy, has captivated tourists with its appearances and acrobatics. Although the ...