Marine biologists documented the never-before-confirmed behavior among orcas living in the Southern Gulf of California.

Orcas are highly intelligent, socially organized marine mammals in the order Cetacea, a group that includes both dolphins and whales. Although known as "killer whales," orcas are actually the ...

Getty Images Let's be honest, orcas are incredible. However, they are also a bit terrifying. They didn't earn the name Killer Whale for no reason. These guys are apex predators and this viral video ...

Footage from the rare encounter shows the orca “channeling his inner Top Gun” with an acrobatic assault on a common dolphin.

A ferry captain captured the stunning moment a family of killer whales, or orcas, came within 10 feet of the boat in downtown Vancouver.

The charismatic killer whale, or orca, is the totem species of northwest Washington and coastal British Columbia. This intelligent, social predator is known to form lasting social bonds and lives in ...