In the depths of the ocean, the orca, or killer whale, reigns supreme as one of the most terrifying predators. With their massive size—up to 10 meters in length and 8 tons of muscle—these dolphins ...

They’ve recently made headlines for interfering with boats, but intelligent, family-focused and remarkably long-lived orcas–better known as killer whales–contain multitudes.

THIS is the chilling moment killer whales practice drowning each other in a horror training session caught on video for the first time. The moment was captured on film for an upcoming five-part ...

Orca scientists with drone footage are probably going to be on the lookout for this sort of behavior now, Giles said. Killer whales aren’t the only cetaceans known to use tools, though.

A PACK of killer whales have struck again in the Atlantic after nearly capsizing a yacht and leaving a helpless crew fearing ...

Or, perhaps it is something more sinister – killer whales have been known to use prey to attract other species and then kill them, but there is no record of orcas ever killing humans in the wild.

Orca scientists with drone footage are probably going to be on the lookout for this sort of behavior now, Giles said. Killer whales aren’t the only cetaceans known to use tools, though.