Killer whales have been sharing prey with humans, sparking curiosity about their behavior and potential conservation efforts.

Although they never attack humans, the apex predators can take down large groups of whales, hence the name killer. What makes them a unique marine mammal is that they often hunt in lethal pods and ...

A group of orcas was spotted off the coast of California, leaving boaters “thrilled,” passengers said. On Aug. 26, eight to ...

A Vancouver whale watching company has been charged with disturbing a marine mammal under the federal Fisheries Act.

Community members gather for a rare, up-close view of the young marine mammal before it is relocated south of town. A necropsy team is seeking answers on the cause of death On the morning of July 26, ...

From rolling to bow riding, whales and dolphins engage in unique games. Learn how these ocean giants and tricksters interact.

The horrifying footage shows Ken Peters battling to escape from an orca called Kasatka, before eventually being dragged under ...

SeaWorld trainer Ken Peters was locked in a battle to save his life after a killer whale went off script, with footage of the ...

The French government and animal-rights groups have yet to agree where orcas Wikie, 24 and Keijo, 11 should be moved, leaving ...

There's some strange pairings out there in the wilderness. Discover some of nature's oddest couples and how they work ...

Marine mammals stranded on Scottish shores have spiked dramatically in the last 30 years, a study has found. From 1992 to ...

Dive into the wild wonders of Olympic National Park in Washington, where killer whales rule the Pacific waters. This full ...