Get ready for an unforgettable 13 minutes of Orca encounters that will completely change how you see these magnificent ...

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against each other’s bodies, a study shows.

Researchers have observed a population of orcas that cut and position kelp tools between their bodies to scrub each other’s ...

We were amazed when we first noticed this behavior,” said Michael Weiss, research director at the Center for Whale Research in the U.S. state of Washington. What started as a puzzling observation in ...

Whales travel through the ocean, lunging, leaping, and playing, with grace and swiftness that belies their huge size. The ...

Killer whales turn kelp stalks into tools that they use to groom each other while cleaning their own skin, too, observations ...

In recent science news, killer whales demonstrate intelligence by using seaweed as grooming tools. Europe's satellite venture ...

Killer whales have joined the rare club of animals that can make and use tools, for the first time being observed crafting a ...

Other animals including some early humans, non-human primates, sea otters, elephants, and bird species are known to use ...

When scientists label a whale's death as part of an unusual mortality event, or UME, that doesn't mean that the whale's cause of death is a mystery. It means that more whales are dying than before.

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans. Here's what they think is going on.

“[A killer whale grandmother’s] greater knowledge and their leadership, especially when times are hard, are helping calves,” says senior author Dan Franks, an evolutionary ecologist at the ...