Jason M Ramos/Wikimedia Commons/CC BY 2.0 Prehistoric Earth was a terrifying place, with giant, fearsome creatures roaming an equally deadly world of erupting volcanoes and primordial swamps. Survival ...

Back in 1999, the BBC’s Walking with Dinosaurs series spawned a new format: wildlife “documentaries” featuring long-extinct animals. I’m a big fan of this genre, and Prehistoric Planet: Ice Age, made ...

Megalodons were massive predators that ruled the world's oceans. Hugo Saláis via Wikimedia Commons under CC BY 4.0 For nearly 20 million years, megalodons prowled the world’s oceans. The massive ...

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are nowhere to be found. From human activity to climate change, new animals ...

Evolution usually helps a species survive. But sometimes, a trait that once made perfect sense ends up causing real trouble.

There are plenty of contemporary creatures that inspire fear. For example, the northern green anaconda is the heaviest snake in the world and weighs more than a football player. Should you encounter ...

For thousands of years, scientists knew of two tiny marsupials in New Guinea only through fossils and local legend. Researchers had long considered these species extinct. However, a team recently ...