Orcas, better known as killer whales, sit atop the aquatic food chain as one of the most lethal apex predators on Earth.

Researchers examining 20 years of data on orca sightings have discovered a worrying trend linked to the receding ice, ...

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

Eba stands at the bow of research vessel Cheena, cruising the waters of the Canadian Gulf Islands where killer whales were ...

BELOVED orca Lolita, who was known for her mind-blowing tricks and decades spent in captivity, died just weeks after she was ...

KILLER whales have been spotted giving gifts to humans in “extremely unusual” behaviour, baffled scientists say. Dozens of ...

The killer smooch was caught on camera by scientists during a snorkelling trip in northern Norway. The tender interaction ...

The apex predators have offered up fish, birds, turtles and whales to humans around the world, according to the study.

Wild orcas on more than 30 occasions in four oceans have attempted to share their prey with people, potentially to develop ...