Orca whales swam off the shore of a Seattle neighborhood. The orcas were Bigg's killer whales, a group that hunts sea mammals ...

'Amongst all the different killer whale populations around the world, there's only a couple that have been observed doing this behavior,' one expert said Francois Gohier/VW Pics/Universal Images Group ...

Orcas off the coast of Hokkaido, Japan, can be split into two distinct ecotypes – resident and transient – according to a new study published in Marine Mammal Science. Also known as killer whales, ...

Thirty killer whales viciously attacked a Dutch family's yacht off Portugal's coast, just several weeks after a similar attack involving orcas. According to the Independent, the incident happened ...

Humpback whales seem to be lingering longer than before off Ventura. December also typically marks the start of gray whale sightings locally. Whale watching boats report humpback whales have started ...

An endangered killer whale in the Pacific Northwest was spotted wearing a dead salmon like a hat, reviving a bizarre behaviour unseen for decades. In Puget Sound, Washington, a rare sight has ...

Orcas, or killer whales, are deadly and beautiful apex predators. More than 90 charged over alleged Minnesota fraud Tatiana Schlossberg, John F Kennedy's granddaughter, has died President's pardon ...

With their large brains, whales are incredibly intelligent and many are highly skilled hunters. Some show their prowess by overpowering the largest fish in the ocean while others gobble down ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations called ecotypes. Each ecotype indicates an ecological specialization with its ...

From sinking boats and feasting on shark livers to dining on whale tongue and tossing porpoises around for fun, orcas are displaying some fascinating — and sometimes terrifying — behaviors. When you ...