Discover the 20 Most Dangerous National Parks in The US in this in-depth look at extreme terrains, unpredictable wildlife, ...

L.A. fires burned dozens of trails, including several local favorites. Consider hiking one of these. Hopefully, you'll find a ...

The Sundance Film Festival is Boulder bound, leaving its home of four decades in Park City, Utah, for a new chapter in ...

The Sundance Film Festival announced on Thursday it is moving location from Park City, Utah, to the university town of ...

Our columnist shares his favorite desert destinations and tips to get far from the beaten path ...

The two-mile stretch of Highway 140 closed after rain caused rocks to slide onto the road but will reopen Wednesday afternoon ...

Inside Wind Cave the scientists found that chemicals fossilised within the rocks shine in brilliant hues of pink, blue, and ...

Workers pull all-nighters to remove boulders on Highway 140 along the Merced River between Mariposa and El Portal ...

Set in a 738 acre Denver Mountain Park, Red Rocks Amphitheatre is no ordinary stage — it’s also a geological wonder. Discover ...

How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...

Farrington noted that another rock slide closed Highway 120 into Yosemite National Park last year. In fact, many of ...

The gray area around this average line shows the two standard deviation ranges of the data. — Credit: National Snow and Ice Data Center About these images: These images of the Antarctic Ice Sheet are ...