Fossils of Tiktaalik roseae blended fins with hints of limbs and sported a flat head suited for peering above the waterline.

You wouldn't have been able to predict this looking at the modern ecosystem," said paper author and vertebrate paleontologist ...

Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.

After the demise of the dinosaurs following an asteroid strike 66 million years ago, mammals became Earth's dominant land ...

Researchers uncovered one vertebra, and based on its size, they estimate the massive creature was at least 30 feet long when ...

Imagine a Florida panther slinking its way 400 miles (645 kilometers) from the Big Cypress Swamp, in the southwest part of ...

Geologists recently discovered the fossil of a Cretaceous-era mosasaur vertebra near Starkville, Mississippi. The experts ...