This prehistoric quadruped discovered on the coast of Peru was similar to a modern-day otter or beaver — except it was 13 ...

But the researchers estimated the ancient whale’s weight range was between ... On Wednesday, they revealed it is a new species of basilosaurid, an extinct family of cetaceans.

Heaviest animal ever? Scientists discover massive ancient whale that lived 40 million years ago Researchers have long been fascinated with two notable species that lived in North America ...

Old trees and animals are more valuable than we thought, research finds. It’s not just about carbon capture to mitigate climate change. Sea sponges that live for millennia hold useful secrets we mustn ...