Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...

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

Orcas, also known as killer whales, are among the most well-studied marine mammals, captivating the public and scientists alike with their intelligence, strong social bonds and complex behaviors.

Washington State now requires boats to stay 1,000 yards from Southern Resident killer whales, a rule effective in early 2025.