The North Atlantic Right Whale is one of the most endangered whale species. One of their biggest threats are vessel strikes.

Scientists say they discovered that two well-known types of killer whales in the North Pacific Ocean are actually two separate species and not just different races. In a study published Wednesday, ...

More than 150 years ago, a San Francisco whaler noticed something about killer whales that scientists may be about to formally recognize — at least in name. Charles Melville Scammon submitted a ...

A group of extremely endangered whales have been spotted swimming and feeding off the Maine coast. Biologists from the New England Aquarium conducted an aerial survey that discovered North Atlantic ...

The world's most endangered large whale species is even closer to extinction than researchers previously thought. The North Atlantic Right Whale species is in a "crisis," NOAA says, with only a few ...

Killer whales are the only natural predator of baleen whales — those that have “baleen” in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen whales ...