the rocks are folded. "That really shows that it's not all as simple as a bunch of flat layers," she said. Her research ...

Currently, all national park visitors are subject to the same entry fee structure, but the Trump administration wants to ...

On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic ...

After Charyn Canyon, the Black Canyon feels like entering another realm. Just a 15-minute drive from the Valley of Castles, ...

Lowell Observatory Historian Kevin Schindler runs a detective story at the Grand Canyon to recreate a famous photo of Neil ...

A lawsuit alleging the water rights claimed by the Echo Canyon development — formerly known as Kane Springs Preservation and ...

Ain’t no mountain high enough to keep tourists from getting to you at Great Smoky Mountains National Park, the most popular ...

Johnny MacLean, Ph.D., the new chancellor at Montana Technological University, described receiving a warm welcome on campus ...

Scottsdale's a city of two halves. In the deserted north desert it's all rocks and rodeos, further south you'll find trendy ...

I remember this green, and I hate it. I’m standing in a preserved cell on Alcatraz Island, staring at the green paint lining ...

The five newest National Recreation Trails in six states add nearly 400 miles to the network of more than 1,300 trails.

Sporting sandals, swim shorts and baseball caps — and hopefully plenty of sunscreen — a cohort of state lawmakers hopped ...