Orcas are some of the ocean's most enigmatic and playful creatures, and they're not as elusive as you might think. Here's ...

Some of the best sites on the Oregon Coast to watch gray whale migrations will be staffed by volunteers Dec. 27-31.

SEATTLE — The endangered killer whales of the Pacific Northwest live very different lives from orcas in captivity. They swim up to 100 miles (161 kilometers) a day in pursuit of salmon, instead of ...

Despite their reputation as 'killer' whales, orcas are known to lend a helping fin by sharing their food with humans. A recent study recorded and analyzed 34 instances of prey-sharing by orcas ...

(Franco Banfi / Oceans-Image / Photoshot) Lions, orcas, hyenas, some hawks and a few other species hunt collaboratively, and now researchers have added a fish to that list. Yellow saddle goatfish in ...

Scientists believe that the kissing-like behavior likely reinforces "social bonds" between the animals Scientists have recorded the wild orcas engaging in "tongue-nibbling" — a social behavior similar ...

Orcas, commonly known as “killer whales,” love liver — especially great white shark liver. Footage shot in Mexico by scientists shows how orcas are able to take chunks out of great whites’ fatty ...

Wild orcas are not known to attack humans, but that’s partly because most humans are sensible enough not to jump into the ...

Why do killer whales (orcas) in captivity kill humans, whereas this doesn't happen in the wild? Federal hearings on the safety of keeping killer whales in captivity began this week, convened by the ...