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

Cetaceans are among the most intelligent creatures in the ocean and many whales have used their big brains to develop cunning ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals.

The ocean is full of mighty hunters. Two of the most feared are the shark and the orca (killer whale). Sharks are ancient, solitary predators. They have rows of razor-sharp teeth, whereas orcas are ...

Orcas, or killer whales, are deadly and beautiful apex predators. Hakeem Jeffries says Obamacare subsidy extension 'will pass ...

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...