High above the tree line, where steep cliffs meet a clear blue sky, a unique bird circles patiently with a specific purpose.

This football-sized creature could grind its teeth like a hard-core plant-eater, back before that was really a thing — and it ...

Nature can be surprising, and sometimes a little unsettling, especially when animals behave in ways that seem hard for us to ...

Tyrannoroter heberti fossil shows one of the earliest land animals to eat plants, changing what we know about how ...

Life on Earth started in the oceans. Sometime around 475 million years ago, plants began making their way from the water onto ...

Scientists found a 307 million-year-old fossil, Tyrannoroter heberti, revealing one of the earliest known land vertebrates ...

This large python has found an antelope. After squeezing it to death, he starts to swallow it, only he has found himself in ...

By Will Dunham Feb 10 (Reuters) - Scientists have unearthed in Canada's province of Nova Scotia the skull of a creature ...

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 ...

What looked like just another fallen iguana carried a hidden toxin. It's a warning Florida veterinarians said pet owners ...