The Ancient Heart Beats With Billion-Year-Old Rocks 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 ...

High in Colorado's Rocky Mountains lies a stunning alpine lake surrounded by towering peaks and pine forests, offering ...

A new study by the University of Colorado Boulder adds to growing concerns that one of the Rocky Mountains’ most iconic ...

View 15 awe-inspiring images of this range from the Smithsonian Magazine Photo Contest The snow-capped Rockies glow bright white in the snow. Smithsonian Photo Contest Galleries Photographs selected ...

Snow cover across the entire Rocky Mountain range has been shrinking due to warmer spring temperatures over the past 30 years, a new study finds. Researchers at the U.S. Geological Survey (USGS) ...

The stretch of Interstate 70 that crosses through the Colorado Rocky Mountains is notorious for steep grades and winter conditions that can lead to spinouts, stalled semitrailers and hours-long jams.

I’ve climbed mountains, but I am not a mountain climber. For the most part, my climbing has been occasional peak bagging in association with backpacking trips although I have specifically climbed ...