Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory behavior had never been documented in the region.

Some say they got this name because sailors noticed their ability to dispatch enormous whales and dubbed them ‘whale killers’ ...

Orcas in the Gulf of California off the coast of Mexico have been spotted hunting young great white sharks by flipping them over to incapacitate them before eating their energy-filled liver, new ...

One guide with the tour company said she had 'never seen a great white shark before in the wild' in her 30 years on the job Freeport Whale & Seabird Tours/Facebook A whale watching tour in Nova Scotia ...

A rare young pygmy sperm whale dies after swallowing a plastic bag: an exceptional case that highlights the alarming impact ...