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

Drone footage has captured killer whales breaking off stalks of kelp and rubbing the pieces on other orcas, a rare case of tool use in marine animals ...

The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.

The model, which has never been given even an informal name, was based on a blue whale found beached in South America in 1925. Installed in 1969, it became an instant New York icon. Befitting her ...

As so-called "killer whales" have made news over the past few years for violent boat attacks in European waters, marine biologists have noticed a far sweeter behavior in Iceland's frigid waves ...