WASHINGTON (Reuters) -After the demise of the dinosaurs following an asteroid strike 66 million years ago, mammals became ...

Picture this: the next time you see a sparrow hopping along a sidewalk or a hawk soaring across a blue sky, you’re witnessing ...

Imagine a crocodile built like a greyhound—that's a sebecid. Standing tall, with some species reaching 20 feet in length, ...

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.

Migratory birds are finding that the home they return to is not what it used to be as our environment continues to change.

The discovery of this prehistoric giant stunned scientists and reignited our fascination with the lost rainforests of the ...

Using 3D modeling, researchers at John Day Fossil Beds National Monument are learning about the daily lives of ancient ...