Swimming deep in the Pacific Ocean, a group of little-known killer whales that eat large sea mammals including grey whale calves has been found, researchers say. Swimming deep in the Pacific Ocean, a ...

Scientists have proven a mammal that was believed to be a whale subspecies is actually a new species entirely, and the new species is critically endangered. Researchers took a closer look at the ...

WELLINGTON, New Zealand (AP) — It is the world’s rarest whale, with only seven of its kind ever spotted. Almost nothing is known about the enigmatic species. But on Monday a small group of scientists ...

Scientists are using artificial intelligence to study sperm whale clicks. These clicks, called codas, show structured ...

"This is really unusual from what we've been tracking." ...