If you see your reflection in the snow covered hills, it might be time to check out a new map from the United States Geological Survey. The map reveals that a surprisingly large part of the country is ...

Airports confined by steep topographic terrain often will be limited to "one-way-in, one-way-out" takeoffs and departures.

Looking for somewhere to bask in the fall foliage near Denver? You'll love the Independence Mountain Trail in Pence Park in ...

Earthquakes that rupture the ground surface leave behind the telltale signature of fault scarps, which provide clues about seismic activity in the geologic past. A new study focused on scarps ...