Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

A summertime hike to the bottom of the Grand Canyon is never just a walk in the park, but trail closures and detours amid construction of a new water pipeline are prompting additional safety concerns ...

Grand Canyon will be one of 14 schools competing in the conference next season. The accelerated transition comes after five Mountain West schools announced they intend to depart the conference and ...

NASA astronaut Don Pettit has just shared a beautiful shot of the Grand Canyon captured from the space station during his recent stay there.

The Texas summer camp where children died in flooding is in an area meteorologists refer to as "Flash Flood Alley." ...