During an investigation, it was found that a second chemist had manipulated quality control data in CDPHE's lab, the agency said.

The fire was reported around 5:30 a.m. Tuesday at The Sanctuary on Penn near the intersection of North Pennsylvania and East Walnut streets.

If you notice your neighbor's lights are still on after Christmas, it's not because they're lazy. They are celebrating a 119-year-old Colorado and Western event.

Denver will be mostly sunny and mild today before mountain snow spreads in for tomorrow and perhaps a mix in the metro area by Christmas night.

The area where the eruption is occurring has been closed to the public since 2007 due to hazards that include crater wall ...

WASHINGTON — Former President Bill Clinton was admitted Monday to MedStar Georgetown University Hospital in Washington after ...

Doctors say Americans will be better off without phenylephrine, which is often combined with other medicines to treat cold, ...

While the families who live in them on screen may come from modest means, the homes seen in classic Christmas movies would be ...

NORAD will track Santa on Christmas Eve into Christmas Day, just like they've done for nearly seven decades. NORAD, the North ...

Researchers from CU Boulder began taking measurements 10 days after the fire and continued gathering data for five weeks after that.

BOULDER COUNTY, Colo. — Officials from Nederland have met with Colorado Gov. Jared Polis and are seeking funding from the state government to rally support for a “moonshot" attempt to buy Eldora ...

Saint Joseph Hospital in Denver is putting Microsoft's AI technology to work right in patients' rooms. And already it's making a big impact.