Meet Tyrannoroter heberti, a newly described species that was one of the largest, most feared land animals of its time – at least, if you were a fern. Hailing from 307 million years ago, this strange ...

Add Yahoo as a preferred source to see more of our stories on Google. A close up of the great American Alligator in Black Bayou National reserve in North East ...

Imagine you could live and breathe as comfortably underwater as you could on the land. Fascinating, isn't it? While this may not be naturally possible for humans, some animals are built to thrive in ...

The fossils of ancient salamander-like creatures in Scotland are among the most well-preserved examples of early stem tetrapods -- some of the first animals to make the transition from water to land.

Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a ...

A visualization of Tiktaalik roseae, an extinct aquatic animal with fossils that shed light on the evolution of land animals from marine animals millions of years ago. Nobu Tamura via Wikimedia ...

Ancient fish-like animals began exploring shallow waters about 400 million years ago. These early tetrapods, with sturdy fins ...

Scientists can't know for sure how long titanosaurs lived, but based on large land animals living today, titanosaurs lived possibly 60 or more years. A thin slice of a juvenile titanosaur femur bone.

For decades, biologists thought that early tetrapods, ancient vertebrates that started conquering the land over 300 million years ago, developed like modern amphibians—beginning their lives as purely ...