The Sahara is often thought of as the driest desert in the world, but there is in fact a desert that is even older and more ...

A melting ice patch in the Rocky Mountains uncovered an ancient forest, and these trees have stories to tell about dynamic ...

Here’s everything you need to know to plan a trip to Saguaro National Park, including the best hiking trails, things to do, ...

The Petrified Forest and Painted Desert are uniquely Arizona road trip destinations. Here's why it's worth the drive and what ...