Killer whales divulge more of their private lives with never-before-seen images of a wild birth and gruesome hunts ...

Animal rights advocates have warned that 'time is running out' for orcas Wikie and Keijo, who remain trapped at France's now-defunct Marineland of Antibes.

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their prey with humans, according to research published in the Journal of ...

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 and hung ...

A pod of killer whales in Mexico’s Gulf of California was filmed hunting juvenile great white sharks, flipping them to eat their nutrient-rich livers.

Step aside, primates and crows. Thanks to new drone footage, killer whales have joined an exclusive club: the short list of animals that make and use tools. Scientists have discovered that southern ...

Spanish authorities have issued a warning to mariners off the coast of Galicia after Iberian orcas rammed two vessels in quick succession on August 30, causing damage that required officials to rescue ...

Courtesy: SeaDoc Society, Center for Whale Research, and San Diego Zoo Wildlife Alliance under NOAA Permit #26288-01 The orca J pod has been very active in Central Puget Sound waters Friday, and ...