Nearly half of cannabis flower products sold in Colorado are inaccurately labeled, according to a new University of Colorado Boulder study.

Unbox the epic 1:4 scale Darth Maul Legacy Statue by Iron Studios and see if it lives up to the hype. From menacing detail to ...

The Boulder Ironman is Saturday and will elicit traffic closures or adjustments around the county, including total closures of St. Vrain Road and Hygiene Road except for residents.

Anyone wanting to enjoy the Boulder Reservoir this weekend will have to wait until Sunday. The reservoir is closed through Saturday for the Boulder Ironman 70.3 event, the city’s parks and recreation ...

President Donald Trump announced a plan to build a missile defense system, called the Golden Dome. How exactly does it work?

Activists have regularly disrupted council meetings to demand that the city call for a cease-fire in Gaza. The unusual tension suggests a changing Boulder.

Electra, a Boulder-based startup, claims it has developed a potential fix. The company uses a combination of electricity and chemistry to purify iron, which it hopes could reduce the climate ...

A Boulder company with a patented method to take most of the carbon emissions out of the energy-intensive iron and steelmaking process will use $8 million from the inaugural state industrial tax ...

Boulder, Colorado-based Electra wants to green up the dirty iron industry. “If iron and steel were a country, its emissions would be ranked third after China and the United States in terms of ...

The Sundance Film Festival will relocate to Boulder, Colo. in 2027, ending its decades-long run in Park City, Utah. The festival reached a 10 year-deal with city officials after an extensive ...

The Sundance Film Festival will be hosted in Boulder, Colorado beginning in 2027, leaving its home in Park City, Utah after more than 40 years.