Overshadowed by the Grand Canyon, this quiet desert park might just surprise you. From rainbow-colored badlands to Route 66 ...

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...

A museum in Denver has found a fossil that is almost 70 million years old under its parking lot while running an unrelated ...

There’s so much to love about our national parks! That’s why we’ve put together a national parks checklist and map you can use to keep track of the ones you’ve visited and make plans to see the ones ...

Located in a strange lunar landscape of great geological interest, this site has one of the most important groupings of prehistoric cave art in the world. More than 15,000 drawings and engravings ...