Killer whales, also known as orcas, have officially made the Arctic Ocean their home — something that was nearly impossible until now. Historically, thick ice sheets blocked the whales from venturing ...

A dramatic shift is unfolding in the Arctic Ocean, where killer whales (orcas)—once blocked by thick ice—are now establishing year-round populations. As climate change melts polar ice, new hunting ...

The virus causes severe respiratory, neurological and immune damage, and has triggered multiple mass mortality events ...

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Orcas in Mexico's Gulf of ...

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.

Whale sharks are gentle, filter-feeding giants, but orcas in Mexican waters were documented attacking the animals and devouring their livers. By Jason Bittel Off Baja California in Mexico, a killer ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

Stream now with KPBS Passport / Watch Thursday, Oct. 16, 2025 at 7 p.m. on KPBS 2 In a remote corner of Antarctica, a group of killer whales capture their prey in the most extraordinary fashion.

Woods Hole, Mass. (July 9, 2025) -- Rising toxins found in bowhead whales, harvested for subsistence purposes by Alaska Native communities, reveal that ocean warming is causing higher concentrations ...

Whales observed in Salish Sea off western North America Behavior is a rare instance of tool use by marine mammals It may promote skin health and strengthen social bonds June 24 (Reuters) - Killer ...