Orcas display a variety of skills, like coordinated hunting and regional ‘dialects.’ They have also revealed several interesting habits, like grooming each other with kelp and offering food to humans.

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

South of Santa Cruz, where coastal waters meet the open Pacific, are the deep waters of the Monterey Bay National Marine Sanctuary. It's home to an amazing array of creatures: over 300 marine mammal ...

Hunting killer whales always eat the animals they kill, typically leaving behind only a few low-energy parts, such as fins. "Also, if it was just aggression, they wouldn't bother to tear off the fin," ...

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 than ...

Alaska's Cook Inlet was home to nearly 1,300 beluga whales in the late 1970s, but today the population hovers around 300. Despite almost two decades of recovery work, the whales aren't bouncing back.

Cook Inlet beluga whales are struggling to survive as industrial and shipping noise disrupts communication critical for ...

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.

Simon Fraser University researchers have received nearly $1 million in special funding from the Digital Research Alliance of Canada to develop an ...