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.

Just because scientists label a marine mammal’s death as part of an unusual mortality event (UME), that doesn’t mean the animal’s cause of death is a mystery. It means more animals of that species are ...

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

This article is from Hakai Magazine, an online publication about science and society in coastal ecosystems. Read more stories like this at hakaimagazine.com. The boat circled a pod of killer whales ...

A rarely spotted juvenile minke whale that stranded itself on a mudflat in the San Francisco Bay near Emeryville was euthanized on Tuesday, marking the fourth whale death in the area in less than two ...

A pod of four transient killer whales — including a calf — was spotted Sunday, May 10, 2025, swimming out of the Yaquina River toward the ocean. It’s the latest in a steady stream of orca sightings ...