At the bottom of the world lies a region as magnificent as it is misunderstood: Antarctica and the Southern Ocean. Harsh, ...

A rare encounter was caught on camera off the Big Island when two massive killer whales — also known as orcas — swam right up ...

Orcas live in all the world's oceans, from the Arctic Ocean and Antarctica to warmer tropical seas, and in every single one ...

A northwest Australia killer whale captured on Ningaloo Reef. Photo courtesy John Totterdell (CETREC WA).While well ...

"Orcas often share food with each other—it's a prosocial activity and a way that they build relationships with each other.

Scientists call for better protection of Antarctica’s vulnerable seafloor ecosystem as ship traffic increases around the continent.

O rcas are easily recognized by their jet-black bodies punctuated with striking white markings, most notably the “eye patch” ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review ...

In a land where rain rarely falls and the desert stretches to the sea, a penguin once waddled into the imagination of an ...

A rare 1,600-year-old Nazca penguin vessel uncovers an ancient civilization's unexpected connection to the wildlife of Peru's ...

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...