Two Mexican nationals in the U.S. on nonimmigrant visas were arrested during a traffic stop in Colorado last month while transporting 180,000 rounds of ammunition, authorities said Wednesday.

A Colorado City woman was arrested Friday on suspicion of criminal negligence causing death after her elderly mother was killed in a dog attack in early February. Jessica Hoff, 47, was charged ...

Aran Johnson, a wildlife biologist for the Southern Ute Indian Tribe in the southwestern part of Colorado, walked up a bank to a newly constructed overpass crossing Route 160. He’d been trying ...