The rare and awe-inspiring gestures were documented off the coasts of B.C., California, New Zealand and Norway. Researchers ...

On more than 30 occasions and across four oceans, orcas have attempted to share their prey with people, potentially to ...

Learn why some orcas, commonly known as killer whales, are sharing their prey with humans.

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

Transient orcas off the U.S. West Coast prey on marine mammals and sometimes toss the smaller animals to stun or kill them. The accompanying images, captured by researcher Alisa Schulman-Janiger ...

The more we learn about orcas, the more remarkable they are. These giant dolphins are the ocean's true apex predator, preying ...

Transient killer whales — including a calf — were spotted swimming out of the Yaquina River. Photographer Jaklyn Larsen has already documented three sightings this year, including the well ...

SEATTLE — A transient orca was able to free itself from a crab pot on Wednesday after more than seven hours. Reports came in around 10 a.m. of an orca that appeared to be entangled in a crab pot ...

The orca calf belongs to a family of transient killer whales, or “Bigg’s” killer whales, and was first spotted in the Salish Sea on Thursday, March 20, between Port Townsend and the San Juan ...

The dinner menu for the world’s orca whales is pretty varied. Some, like the crafty transient killer whales in the Pacific northwest, use canyons to hunt other marine mammals, while others feast ...

A killer whale sighting in Vancouver stunned triathlon swimmers as three orcas swam near them during the T100 race. Here’s ...

Southern resident killer whales are using kelp for what scientists suspect are both hygienic and social purposes.