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

Killer whales are one of the most widespread animals on the planet. As the ocean’s largest apex predators, they keep marine ecosystems in check all across the world, but there’s still so much we don’t ...

Orcas have dialects, family traditions and strong opinions about dinner. Scientist Dr Isabella Reeves is uncovering how their societies work ...

In the waters off British Columbia, scientists have documented what appears to be the first case of killer whales and dolphins teaming up to hunt together. Two apex predators who seem like they should ...

Normally native to the warmer waters off Mexico and Central America, these orcas moved north toward Southern California due ...

The orca, or killer whale, is an apex predator of the sea. Working as a team, orcas hunt their prey, with a diverse diet, and because they're so lethal, they are often documented playing with their ...

Toby, who is originally from Union Hall, has spent much of his life sailing and kayaking around West Cork, and this wasn't ...

New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two distinct subpopulations: inner and outer coast transients. Based on 16 years ...

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural ...

(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 ...