Wild orcas occasionally approach humans and offer us food, according to a new study — but scientists aren't sure why. Researchers have documented dozens of cases of orcas (Orcinus orca), also known as ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Did you know orcas once turned salmon into quirky headwear ...

Recently, people have spotted killer whales engaging in some unique behavior. They are rubbing their bellies along the rocks ...

(CNN) — When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange. She closed her mouth, paused, apparently watching for Towers’ reaction ...

(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 ...