A new study from the University of Colorado Boulder shows that 1 in 15 US adults have been on the scene of a mass shooting.

In March, about four years after the King Soopers mass shooting, a study co-authored by a University of Colorado Boulder ...

A former Colorado sheriff’s deputy convicted of killing a 22-year-old man in distress who called 911 for help has been ...

A bill that Colorado Gov. Jared Polis signed into law last week requires residents of that state to obtain the government's permission and complete 12 hours of firearms training before they can ...

While authorities continue to investigate a double fatal shooting​ outside a shopping mall in Fort Collins over the weekend, ...

The House passed legislation to limit the sale of certain semiautomatic firearms to Coloradans who have passed a background ...

Gov. Jared Polis on April 10 signed off on a law intended to further limit semi-automatic weapons in Colorado.

But since then, two of the country's worst mass shootings happened in Colorado - at a Boulder supermarket in 2021 and at Club Q, an LGBTQ+ nightclub in Colorado Springs a year later. Both involved ...

Colorado’s Democratic Gov. Jared Polis has signed a bill requiring people to pass a background check and complete a ...

Democrats in Colorado are hoping a bill moving through the state legislature will add more protections for transgender people ...