From sinking boats and feasting on shark livers to dining on whale tongue and tossing porpoises around for fun, orcas are ...

Want to experience this story in a different medium? Check out the related documentary or Science Quickly podcast episode. Like many people who visit San Juan Island, I came here for the orcas. This ...

With all the splashing, it was hard to tell what was happening under water. As the orcas surfaced to take a breath, dolphins were darting around their heads, but the water was so murky that the ...

For the first time ever, a unique cooperative hunting arrangement between dolphins and orcas has been documented. Researchers believe killer whales find salmon by tailing dolphins, who in turn benefit ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...

Here’s some important life advice: do not try to challenge a short-finned pilot whale (Globicephala macrorhynchus) to a squid-eating contest. Research out today shows that these marine mammals can ...

Orcas regularly surface for air, with average dive times lasting between three and five minutes. (Lily Roby/Courthouse News Service) FRIDAY HARBOR, Wash. (CN) — Blue and silver mist splashes in the ...

Known as ‘forever’ chemicals for how long it takes them to break down in the environment, these human-made chemicals are found in many common household products and have been linked to adverse health ...

(CNN) — Scientists working in Mexico have recorded multiple incidents in which a group of orcas hunt young great white sharks and eat their energy-rich livers. In one incident, recorded in August 2020 ...