The creature could lay eggs on land, unlike amphibians. It was part of a large group known as “amniotes,” which would evolve ...

Scientists in Australia have uncovered some ancient secrets thanks to the discovery of a 15-million-year-old fossilised ...

A new fossil discovery from Texas sheds light on the repeated evolution of predator jaws in fish and how nature often arrives ...

Most people picture the time of dinosaurs as a steamy, tropical world. But during the Late Cretaceous period, northern Alaska ...

The origin of reptiles on Earth has been shown to be up to 40 million years earlier than previously thought -- thanks to evidence discovered at an Australian fossil site that represents a critical ...

The emergence of four-legged animals known as tetrapods was a key step in the evolution of many species today – including humans.

In a world where everything is constantly changing, it’s amazing that some creatures have stayed almost the same for millions ...

Welcome ancient survivors! These creatures have remained little altered for millions of years and continue to roam the planet ...

First documented in 1890, this tiny, eel-like fish measuring just a few centimeters, has long baffled scientists.

Researchers uncovered the oldest known salmon species, showing that northern fish have ancient Arctic roots dating back 73 ...

The best jaw for hunting fast fish is long and full of sharp teeth. This makes sense to us, but it also makes sense in nature ...

It’s an award-worthy fossil in many ways, being the oldest-known specimen of a thorny-headed worm and a new-to-science species, but perhaps most impressive of all is how it was found ...