Three orcas that had not previously been recorded in the Seattle area have delighted whale watchers with several visits.

A newborn orca calf has been spotted travelling with its pod off the coast of Fraserburgh. The pod was spotted near Kinnaird ...

According to the aquarium, Old Thom is the only orca regularly seen in North Atlantic waters. Unlike most killer whales that swim in pods, Old Thom is known to swim alone or with dolphins in the Gulf ...

In the North Pacific, orca fins with signs of cannibalism are washing up on a Russian beach. The findings suggest that killer whales occasionally participate in cannibalism, which might explain why ...

A pod of orcas were chased by a group of humpback whales off the coast of California, a whale watching company said. Getty Images/iStockphoto A group of orcas was chased by humpback whales off the ...

Orca fins washing up in the North Pacific are scratched with characteristic tooth marks that suggest killer whales are occasionally cannibals. Scientists say this may explain why some orcas live in ...