As scientists scramble to learn more about them, questions abound over what drove these mystery orcas into the Salish Sea, ...

Add Yahoo as a preferred source to see more of our stories on Google. A pygmy sperm whale was attacked by a pod of orcas off the coast of Madeira. Orcas preying on marine mammals are rarely seen in ...

The possible sighting of a calf among a pair of female orcas off the Isles of Scilly has sparked excitement among marine wildlife experts. The Isles of Scilly Wildlife Trust said boatman Joe Pender ...

WARNING, GRAPHIC CONTENT: The footage shows several orcas taking turns with the carcass, highlighting their cooperative ...

Many of the orcas captured and sent to marine theme parks in the 1960s and 1970s came from the Pacific Northwest. An incident ...

A wildlife photographer out on a whale watching trip in waters off Seattle captured dramatic video and photos of a pod of killer whales hunting a seal that survived only by clambering onto the stern ...

Congratulations to the new mom and J pod. Arguably the most famous pod of orcas traversing Canadian-American seas is the J pod. Earlier this month, the mamma orca who carried her dead calf around for ...

(CNN) — A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks ...

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly ...

A pygmy sperm whale was attacked by a pod of orcas off the coast of Madeira. Orcas preying on marine mammals are rarely seen in the region. Camila Dávila Pardo/ Blue Safari Madeira As the whale ...