What does killer whales eat and do they eat moose? We have done the research! Jump in to read all about the feeding ...

Sperm whales, the largest predators of the ocean, dive deep into the abyss, where no human dares to venture, and face off ...

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.

Heat-trapping methane may be best known for the dangers it poses to humans and Earth’s atmosphere, but in the dark depths of ...

The orca, also known as the killer whale, is one of the most fearsome predators of the ocean. With incredible speed, strength, and intelligence, orcas dominate the seas, preying on everything from ...

A massive killer whale swam deep into Yaquina Bay, hunting alone and stunning onlookers. Here's what we know about T049C — ...

Off the Caribbean island of Dominica, Cecilia Vega dove into efforts to create a preserve to protect sperm whales and ...

Gray whales travel from the Arctic to Mexico each year. And they're not finding enough to eat, scientists say.

Photographer Brian Skerry swims with killer whales and discovers these apex predators have unique cultures that aren’t that different from our own. An Orca calf swims with two adults through ...

Orcas have long been revered as the ocean's strongest predators. In honor of World Orca Day, we're diving into why.

Unusually high mortality for gray whales along the coast has researchers concerned for the recovering species.

With the arrival of summer on Canada's west coast, residents and tourists are planning to be out on the water. Fisheries and ...