Newly discovered 1.5-million-year-old footprints reveal how two extinct human species crossed paths within hours of each ...

The most terrifying prehistoric creatures to roam the US were much more heart-stopping than you'd think. Consider these seven examples.

Hikers were responsible for the discovery of what scientists believe to be a prehistoric ecosystem. The first sign of the ...

The analysis of hundreds of fossilized droppings (plus a little bit of petrified vomit) from roughly 230 million years ago ...

Scans of fossilized feces have revealed what the early members of this iconic species ate to help them take over the world.

The way the dinosaurs relinquished their long dominance is well known. An asteroid struck Earth 66 million years ago, ...