Engaging in "rough play" might help young males practice for future headbutting contests in which they compete for mates ...

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

Vessels will have to steer one kilometre clear of endangered southern resident orcas under newly proposed federal regulations ...

Orcas, or killer whales, are deadly and beautiful apex predators.

A routine whale watching tour has taken a dark and rare turn as a pod of orcas showed why they’re called killer whales.

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

A boat full of tourists was treated to a heart-stopping display just moments from the coastline. For the first time in ...

Researchers have captured extraordinary footage of sperm whales randomly headbutting each other, confirming anecdotal reports from mariners and whalers in the 18th and 19th centuries.

One skin will eventually no longer fit, but there is an odd moment where we must coexist with our old and new selves. To be a ...

The rule change would increase the distance boats must keep from the endangered orcas to 1,000 metres from the current 400.

Cetaceans can be split into two main types: baleen whales (which have a sieve-like structure within their mouth to catch tiny ...

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