These jaw-dropping rock walls flanking Green Mountain have become the symbol of the city, with many Boulder businesses sporting their image as a logo. Flatirons One through Five are the most ...

DENVER (KDVR) — The city of Boulder removed ... earlier this week. The flatirons are close to the National Science Foundation ...

“In Boulder, our proximity to the Flatirons and complex terrain pose quite ... The research was led by scientists at the U.S. National Science Foundation National Center for Atmospheric Research (NSF ...

Boulder officials removed an upside-down American flag that was found on the Second Flatiron around 1:45 p.m. Friday, “following past practices,” according to Boulder Open Space and Mountain ...

Firefighting crews were able to reach 90% containment of the NCAR fire Tuesday and turned over command of the incident back to Boulder Fire-Rescue. At a news conference Tuesday morning ...

BOULDER, Colo. (KDVR) — A man took his “adventure cat” up the Boulder Flatirons in Colorado, but the climb did not go as planned. People typically say a dog is a man’s best friend ...

A human took his "adventure cat" to the Boulder Flatirons, but the trip did not go as planned. FOX31's Talya Cunningham hears from the cat's owner about what led to a nighttime rescue. A human ...