While temperature is a leading theory, some experts think speed could also be a factor. In the wild, killer whales swim on average 3 to 4 mph and can sprint at speeds up to 34 mph. At those speeds ...

easily heard by killer whales—above 1,500 hertz. In contrast, flight species have streamlined and slender bodies adapted for speed, and typically disperse across wider open-ocean regions for ...

The dramatic incident transpired in Bremer Canyon, a marine park off the coast of Bremer Bay on Monday (Apr 7).

An orca "started to pick up speed and chase something". Dozens of other orcas then appeared from the west, all heading in the same direction. They were about to attack a group of sperm whales.

A Missoula man has spent the last five years converting an Isuzu box truck into a giant killer whale. Now his creation, named ...

Our current knowledge of orca – killer whales – has been greatly added ... how deep it dives, what speed it is moving at. All this data is displayed in a 3-D representation of what the tagged ...

SeaWorld is winding down its killer whale shows and breeding programs in the United States, earning resounding applause from animal welfare groups. But as marine parks wither in America ...

The brutality of nature was on full display along the Aussie coast this week as a boat full of tourists was treated to the ...