Orcas were spotted hunting dolphins off the coast of San Diego, in a graphic new drone video. This behavior is normal, especially since this pod of killer whales specializes in eating dolphins.

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

While following an elusive group of orcas off the coast of Chile, researchers found the first evidence of them hunting dusky dolphins, according to a new study. Photo from Mike Doherty, UnSplash Off ...

Pacific white-sided dolphins swim off the coast of British Columbia. Dolphins and porpoises in this region have been spotted swimming alongside a population of killer whales known as northern resident ...

(CNN) — It was an orca-versus-dolphin matchup, and the dolphin didn’t stand a chance. In coastal waters near Chile in 2023, a massive female killer whale walloped the much smaller dolphin, sending it ...

Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory ...

In six years studying orcas off Chile’s coast, marine biologist Ana García-Cegarra had never witnessed anything like what she saw in May 2023. In the vast Pacific waters near Antofagasta, a killer ...

Orcas, also known as killer whales, hunt together like wolves. Different groups of killer whales, called pods, specialize in certain types of hunting and the type of food they prefer. Some like fish, ...

Living up to their names, killer whales have been killing other marine mammals but not eating them for decades, and scientists aren't sure exactly why. Orcas seemingly hunt down, harass, and often ...

Discover interesting facts about how dolphins sleep, if they're dangerous, and what they eat.