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

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 ...

Kamea, a killer whale born into captivity in SeaWorld San Antonio, has died after contracting an undisclosed illness, the ...

SeaWorld San Antonio says an 11-year-old orca at the theme park died. A young member of SeaWorld San Antonio's orca family ...

Orcas are skilled hunters and work in teams. Their prey usually includes seals or smaller fish. For the first time, marine biologists have observed that killer whales also prey on the world's largest ...

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

Moose (Alces alces) are excellent swimmers. Moose that live along the Pacific coast of Alaska and Canada frequently swim from ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull ...

Spanish marine biologists are considering a possible explanation for why killer whales are continually attacking leisure ...