The Rocky Mountains have always looked like a geological non sequitur, a towering spine of peaks sitting far from the grinding edge of any modern tectonic plate boundary. For decades, geologists tried ...

The North American craton actually dips near the Rockies rather than forming a sharp vertical step as previously believed.

7 billion years ago during the Precambrian Era. 0 billion years old, making them among the oldest rocks found in the United States. 6 billion years ago, massive volumes of magma pushed into these ...

LAKEWOOD, Colo. ” The U.S. Forest Service has made all its maps for the Rocky Mountain region available for sale online. Shoppers can find everything from a Colorado Wilderness Guide to a map on the ...

No one ever thought the birth of the Rocky Mountains was a simple process, but we now know it was far more complex than even ...

These mountains may have been named for the harsh winters here. Deep snowdrifts accumulate that melt only briefly during the summer. There is an Arapaho myth that may also explain the name. When they ...

The U.S. Forest Service has released an interactive online map for its Rocky Mountain Region, which includes Summit County, that details site-specific resources, regulations and closures amid the ...