Dillon Perry made the discovery of the mystery rock while hunting for agates along the Yellowstone River near Greycliff.

Perry made the discovery of the mystery rock while hunting for agates along the Yellowstone River near Greycliff.

Jelly Roll, who recently revealed that he’s lost nearly 200 pounds, shared the overall goal he’s aiming to hit in his weight loss journey.

Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera -- located in ...

A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

Did you know that nearly 50 million people in the United States alone engage in hiking each year Beyond being a popular ...

While Lake Mead sits at about one-third full, a bipartisan cohort of Nevada’s state lawmakers think now is the time to sell ...

Hemingway first visited in 1939 as a guest at Sun Valley Lodge and kept coming back to hunt and fish. His favorite spots ...

Watch Yosemite search and rescue workers demonstrate a life-saving water recovery mission from fast and freezing conditions ...

Kampgrounds of America has published its own list of “14 Must-See National Parks” (no surprise with the overlap with Campsite ...

Rebel Wilson shared that she's embarking on a health challenge for the next six weeks where her focus is on making positive changes for her physical and mental health.

Seismologist Deborah Kilb was wading through California earthquake records from the past four decades when she noticed ...