A kayaker paddled for his life, while an orca stalked him into shallow waters at Bahía Rosas, Golfo San Matías, in Argentina.

(CNN) — A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks ...

A group of apex predators was seen off the coast of California, a company said. Getty Images/iStockphoto The ocean’s top predator was seen on the hunt for its next meal off the coast of California, ...

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on the chin by a killer whale. The dolphin rises above the surface, but the orca ...

A pod of orcas were chased by a group of humpback whales off the coast of California, a whale watching company said. Getty Images/iStockphoto A group of orcas was chased by humpback whales off the ...

Whale watching trips off the northern Channel Islands spotted large groups of orcas. The company started running trips out of ...

LĀNA‘I, Hawai‘i (Island News) -- A heartbreaking discovery off Lāna‘i this week. Researchers with Cascadia Research Collective found an endangered false killer whale severely entangled in marine ...