In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange.

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

Kimalu (KEE-ma-loo), a 12-year-old female beluga whale, is resting comfortably following a historic procedure at Chicago's ...

Researchers examined sightings of killer whales in the area from 2002 to 2023. Scientists make worrying discovery after ...

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced this week, in what they said is the first evidence of marine mammals making ...

Killer whales were seen ‘kissing’ for the first time in the wild, photo evidence shows. The ‘rare’ encounter ‘lasted nearly two minutes,’ researchers said.

Two killer whales scrubbing kelp between their backs, also known as “allokelping.” Credit: Center for Whale Research, NMFS NOAA Permit 27038 Lots of animals use tools to get their food, but ...