Learn why researchers identified some of North America's most famous fossils as Traskasaura sandrae.

Evidence of this explosion is present throughout the Burgess Shale, leading to its establishment as a world heritage site by ...

Learn how a study of fossilized teeth has changed what we thought we knew about megalodon’s diet.

In Texas, the alligator snapping turtle is a threatened species, which means they face high risk of extinction and are ...

The alligator gar is a massive, ancient fish found in U.S. rivers and lakes. With its armor-like scales and gator-like snout, it looks terrifying—but it plays a vital role in freshwater ecosystems.

Yoho National Park in the Canadian Rockies holds evidence of prehistoric ocean ... the largest animal known from the Burgess Shale and an apex predator. Though only the size of a finger, the ...