Beaked whales are rarely spotted. Now scientists are using underwater sounds to help identify these elusive creatures.

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 ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

Scientists know a surprising amount of information about Southern Resident Killer Whales, but once the whales leave their ...

Discover the key differences between dolphins and whales, including their size, body structure, feeding habits, social ...

Scientists took samples from whale blow, identifying possible disease risks for marine mammals in northern seas.

Over the next seven years, the U.S. Navy estimates its ships will injure or kill just two whales in collisions as it tests ...

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 ...