Orcas, or killer whales, are deadly and beautiful apex predators. An AI deepfake was final straw for a Washington state ...

Sarah Fortune, an assistant professor in oceanography at Halifax’s Dalhousie University, said it would appear the massive ...

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

From the smallest and fiercest hunters to mighty beasts of land and sea, here are seven predators that routinely take on ...

Killer whales work together in tightly coordinated pods to hunt some of the ocean’s most powerful predators, including sharks ...

A dramatic video showing a pod of adult orcas, better known as killer whales, chasing a lone penguin has gone viral on social ...

Long before whales and sharks, enormous marine reptiles dominated the oceans with unmatched power. Scientists have ...

(CNN) — A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks ...

A team led by researchers at the University of Washington and the National Oceanic and Atmospheric Administration has uncovered key information about what resident killer whale populations are eating.

When animals nod off, they're most vulnerable to sneaky predators. But despite the risks, the need for sleep is so strong ...

Animals that navigate extreme conditions and environments have evolved to sleep in extreme ways — for example, stealing seconds at a time during around-the-clock parenting, getting winks on the wing ...

In 1987, wildlife veterinarian Mark Pokras was in his office at Tufts University in Massachusetts when a colleague from New ...