The Orca, or killer whale, is one of the ocean’s most formidable predators. Though often called whales, Orcas actually belong to the dolphin family,yet their power, intelligence, and hunting abilities ...

Killer whales are one of the most intelligent animals; only humans have a larger brain relative to their body size, according to the study.

An exceptionally rare sighting of two orcas, also known as killer whales, has been confirmed in Cornish waters ...

Animals can be a human’s best friend — or worst enemy. For every Free Willy, Old Yeller, Air Bud, or Beethoven, there are animal attack movies featuring everything from avian assaults (The Birds) and ...

Once thriving, there are now believed to be just 73 Southern Resident killer whales left in Washington state's Puget Sound.

Once thriving, there are now believed to be just 73 Southern Resident killer whales left in Washington state's Puget Sound.

Prior to this instance, the “tongue-nibbling” had only been observed a handful of times in captivity. First seen in captive ...

Killer whales off the west coast of North America have been spotted making and using tools to groom each other, the first time such behaviour has been recorded in marine mammals.

50 years ago, Lolita the orca was captured off the coast of B.C. A new film follows the fight to set her free Film looks at Lummi Nation's hope to reintroduce killer whale to the Salish Sea family ...

Pygmy killer whales are shown in this photo from the National Oceanic and Atmospheric Administration’s National Marine Fisheries Service. A whale was euthanized after it became stranded on a Key ...

A Pygmy killer whale — rarely seen in the shallow waters that surround the Florida Keys — was found injured, sick and stranded just off a beach in the island chain on Sunday, a local marine ...

Whale sharks are gentle, filter-feeding giants, but orcas in Mexican waters were documented attacking the animals and devouring their livers.