Calling all amateur paleontologists! Explore the badlands of Nebraska and hunt for fossils at this remote destination inside Oglala National Grassland.

There’s a new milky blue pool in Yellowstone National Park.

Discover why North Dakota’s rugged Badlands are a top spot for dramatic landscape, wildlife, and night photography.

More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins.

While visiting Little Jerusalem Badlands State Park is a must, there are other remarkable sights and places to visit in Oakley. For an outdoor adventure, visit Monument Rocks. Also known as the Chalk ...

Signs installed earlier in National Parks earlier in June asked for feedback on signs "that are negative about past or living Americans." Comments viewed by NPR didn't provide the requested feedback.

KANAB, Utah (KTVX) – Visitors to Lower Calf Creek Falls at Grand Staircase-Escalante National Monument had a near miss with falling rocks that was captured on video.

Leaked comments show widespread backlash to National Park Service history edits.

NEW YORK (AP) — Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt has long been known for its ancient rocks ...

Hike past colorful rock formations at a Colorado interpretive park not far from Colorado Springs.