Killer whales, also known as orcas, are incredibly intelligent apex predators. As such, researchers have been observing the ...

Wild orcas on more than 30 occasions in four oceans have attempted to share their prey with people, potentially to develop ...

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they ...

Orcas were spotted using kelp as a grooming tool on each other, the first known use of tools among cetaceans for something ...

And killer whale youngsters are fond of playing kelp keep-away. But what the southern residents are doing with the kelp ...

According to a May publication in the Journal of Wildlife Diseases, researchers at UH Mānoa and the College of Tropical ...

Researchers focused on the Salish Sea have made an intriguing discovery about Orcas. These whales, which have continually ...

Working alongside UH Manoa School of Life Sciences microbiologist Michael Norris, the team has recently discovered a new ...

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against ...

Amid a criminal probe for a string of dolphin deaths, this month Gulf World Marine Park transferred its seven bottlenose dolphins and four rough-toothed dolphins to three separate facilities in ...

A pod of humpback whales encountered a group of killer whales during feeding time off the coast of California. On June 24, a ...