Killer whales, or orcas, are apex predators known for their intelligence and complex social structures. While wild orcas are not considered a threat to humans and have no recorded fatal attacks, it's ...

Orcas, often referred to as "killer whales," have earned their intimidating nickname for a reason. These magnificent ...

One of the whales was seen grabbing a bird — a grebe — before pulling it underwater, prompting gasps from the crowd.

Marine experts have given up hope of rescuing more than 150 false killer whales that are stranded on a remote beach.

Killer whales rarely risk hunting leopard seals - Antarctica's second top predator. But when reinforcement whales appear, this group of killer whales has a technique for capturing this aggressive ...

A killer whale mom, who shot to fame after she carried her dead calf’s corpse with her for more than two weeks in a harrowing tale of grief, has lost another baby, scientists revealed.

How to watch 'Expedition Killer Whale' online and on TV, as the hour-long documentary offers never-before-seen footage of Orca hunting behaviour.

Orca whale mom Tahlequah (J35) has been carrying her dead calf for at least 11 days. NOAA Fisheries West Coast And the act of carrying a dead calf is just that: a sign of grief.

Marine experts have given up hope of rescuing more than 150 false killer whales that are stranded on a remote beach.