An Arizona lawmaker is urging the Trump administration to reconsider federal land protections near the Grand Canyon to allow for mining.

Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces, the Grand Canyon of the Yellowstone is the primary attraction in the Canyon Village area ...

Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: NASA/MSSS/Caltech/ CTX topography: NASA/MSSS/USGS HiRISE: NASA/U.Arizona/USGS/Amaz ...

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

Yellowstone Park is a popular destination for geology field trips. It’s easy to see why — the dynamic landscape contains a ...

If you have extra time, Grand Canyon of the Yellowstone is worthwhile. Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces, the Grand Canyon ...

The U.S. owns 250 million acres of public lands, and it has the authority to sell or lease limited parcels for housing.

"This is one area where there does appear to be convergence between Democrats and Republicans," said UChicago professor Mike ...

From hidden thermal hot spots to secret hiking trails, the park is packed with hidden wonders, and we are here to tell you ...

From the national parks of the Rocky Mountains to the music history of Nashville, these American adventures are calling ...

Rancho Luna Lobos' top dogs raced into the pro season, putting a year of new training techniques to the test against the world's best sled dogs for three days and 51 miles last week in West ...

Created by former President Joe Biden just days before he left office, Chuckwalla National Monument will further protect desert habitat in Southern California.