Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

With his magnificent underwater images, Gerardo del Villar wants to rehabilitate the reputation of the ocean’s great ...

A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery. What little was known about them had been mostly gleaned from analyzing ...

The Triassic is one of the most important periods in the evolution of life on Earth. After one of the greatest mass ...