A video of a killer whale off the coast of Massachusetts went viral. An expert said it was Old Thom, a whale who has an ...

T049C was spotted swimming in the Siuslaw River on April 8. Experts say this behavior is not uncommon.

Orcas acted as primary scouts by actively seeking out baleen whales and alerting the whalers by breaching and slapping their tails at the mouth of the river. This 90-year alliance proves that Orcas ...

ALASKA -- An orca that became stranded on a rocky beach in Prince of Wales Island, Alaska, Thursday morning was freed with the help of the National Oceanic and Atmospheric Administration (NOAA) and ...

Quick Take A group of well-studied orcas known as Southern Resident orcas are endangered and face multiple threats to survival. New research shows they interact more with other populations than ...

A pod of Orcas (Orcinus orca), also known as Killer Whales, feeding, in the Atlantic Ocean. There is a small baby orca amongst them, clearly visible in the image, with its head up. A group of ...