Hundreds of millions of years before dinosaurs, the tallest things on land were not trees or animals but towering, trunk-like ...

Advanced CT imaging of rare Devonian lungfish fossils in Australia and China is revealing unexpected anatomical details.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: All life on Earth can be traced back to a Last ...

A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells ...