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 ...

Have you ever considered sharing your lunch with an orca? Because a new study suggests they thought about sharing their meals with you.  The study, published in the Journal of Comparative Psychology, ...

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 ...

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

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 ...

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

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 ...

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

Orca family returns to Penn Cove after 50 years. In 1970 and 1971, orcas were herded into the cove off Whidbey Island. This month, members of the L pod returned.

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