NASA’s Mars rover is on the trail of a geological mystery in the Jezero crater. While exploring an area known as Witch Hazel ...

Stepping onto the natural waterslide at Slide Rock State Park, just outside Sedona, Arizona, I had to suppress a squeal. The ...

A recent report estimated that vultures are worth $1.8 billion a year to certain ecosystems in southern Africa. Here's why.

For an intimate Southwest getaway, check out these hot springs nestled into a little-known Arizona mountain region boasting ...