A smoldering coal seam in Boulder that state investigators ruled out as the most likely cause of the Marshall fire is being ...

A small fire broke out on Flagstaff Road in the foothills west of Boulder on Wednesday evening. The cause is unknown as of ...

A large project is underway at the Marshall Mesa Trailhead in Boulder County, where crews are working to extinguish an ...

BOULDER COUNTY, Colo. — Fire crews from multiple agencies responded to a small grass fire Wednesday night in Boulder County.

It was the deadliest day in Colorado history: November 29, 1864 - the Sand Creek Massacre. More than 230 people -- mostly ...

An excavation and extinguishing plan aims to eliminate the century-old coal fire hazard that can reach temperatures of up to 1000 degrees.

As temperatures rise again, CU Boulder researchers offer insight into everything from how a changing climate will impact water supplies, crops and landscapes to ...

Heavy equipment is now at work at the Marshall Mesa Trailhead in Boulder County, digging and tossing and mixing and replacing ...

BOULDER, Colo. (KDVR) — An early morning fire partially destroyed a self-storage facility in Boulder on Monday. The fire ...

Heavy equipment is now at work at the Marshall Mesa Trailhead in Boulder County, digging and tossing and mixing and replacing. That is how a coal fire is ... director for Colorado's Inactive ...

Associated Press Monday, March 22, 2021 6:47 p.m. | Monday, March 22, 2021 6:47 p.m. BOULDER, Colo. — Police on Tuesday identified a 21-year-old man as the suspect who opened fire inside a ...

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