Experience the breathtaking formations, towers, and cliffs sculpted by millions of years of sandstone erosion in the ...

Now imagine opening it and finding that more than a billion years of pages are missing. That mystery is called the Great Unconformity. A ...

The National Park Service is seeking public comment on potential changes to the drinking water delivery system at the North ...

High-clearance vehicles are essential, and four-wheel drive becomes your best friend when road conditions deteriorate. The ...

Complete Guide to Walnut Canyon National Monument in Arizona, including things to do, history, nearby lodging and camping, directions, and so much more. Walnut Canyon National Monument is located just ...

Several of the Grand Canyon’s most popular trails remain closed after devastating wildfires tore through the park. Here’s what local guides say you can expect in 2026.

The U.S. wants to quadruple nuclear power generation. Is fewer than two years of nuclear fuel worth sacrificing the Grand Canyon region?

Park officials at Grand Canyon National Park are warning spring break visitors of some closures that affect popular hiking routes.

Quicksand may be present near the shoreline and in drainages throughout the Glen Canyon National Recreation Area.

A warm, dry winter has left the Colorado River Basin with the prospect for one of the lowest runoff seasons in a quarter ...

The Lower Dells offer a different perspective, with the canyon opening up to reveal Matthiessen Lake, a serene body of water ...

Earth’s rock record is missing a billion years, and new evidence tied to the Great Unconformity hints at where that lost history went.