Boulder police are warning people in their Colorado community after a mountain lion attacked and killed a dog.

North Boulder's 12U All-Stars are chasing history — again — with a shot at the Little League World Series. Why it matters: No ...

Gunshots may be heard from 7 to 8 a.m. Monday on the University of Colorado Boulder’s East campus due to a research project.

Fairview tennis coach Doug Kazarosian brought back the Boulder Open, renaming it the Fairview Boulder Open, with proceeds to ...

An apex predator “appeared suddenly” and jumped on a small dog as it was walking with its owners in a Colorado neighborhood, officials said.

A car-sized boulder crashed onto Colorado Highway 145 near Telluride, causing traffic delays on Saturday. Local deputies and ...

Colorado Gov. Jared Polis, Boulder Mayor Aaron Brockett and interfaith leaders gathered Wednesday to denounce the attack and call for unity, according to a news release.

While Mohamed Soliman occupies a cell in Boulder County Jail in Colorado, hundreds of miles away, his wife and five children are also in detention, at the hands of Immigration and Customs Enforcement.

Boulder attack latest: Number of victims climbs to 15 Fifteen people, ranging in age from 25 to 88 years old, as well as one dog were hurt in the Sunday afternoon attack in Boulder, Colorado the ...

BOULDER, Colo. (AP) — A man posing as a gardener to get close to a group in Boulder holding their weekly demonstration for the release of Israeli hostages in Gaza planned to kill them all with Molotov ...

The wife of accused Boulder, Colorado attacker and illegal Egyptian national Mohamed Sabry Soliman released her first public statement pleading for the American people's help.