Prehistoric animals once roamed — and ruled — planet Earth. Some of them, like the giant sloth or the woolly rhino, were generally gentle. Others, like the saber-toothed tiger and the dire ...

A new book highlights the beautiful work of Jay Matternes, an accomplished artist who drew everything from mammoths to early ...

Brock’s iron shield fish adds to the rich prehistoric history of McGraths Flat, and contributes to its classification as a ...

However, there were also other incredible prehistoric animals. After the extinction of the dinosaurs during the Cretaceous mass extinction (the fifth mass extinction) about 66 million years ago ...

Some animals have been around since the time of the dinosaurs—and they’re still thriving today! Known as “living fossils,” these creatures have barely changed over millions of years and continue to ...

Our earliest mammalian ancestors avoided the dominant dinosaurs by only coming out at night and having uniformly dark, ...

All linked stories were reported, written and edited by McClatchy journalists. Unique creatures, odd animals and new species are discovered across the planet. Some are found lurking in remote ...

But these prehistoric animals almost certainly had a softer side. In the last decade, researchers have gained tantalizing insights into the sex lives and mating habits of these ancient reptiles.

Colossal Biosciences, a startup trying to bring the prehistoric mammoth back from ... The prospect of reintroducing animal species has drawn critiques from some scientists who believe the project ...