Doctor says state is "lucky" measles outbreak hasn't spread in Colorado, where many citizens are unprotected.
Nebraska and Oklahoma sue Colorado, arguing state-legalized marijuana from Colorado is improperly spilling across state lines.
Colorado man rushes toward burning home after hearing explosion, pulls man from the flames.
Despite ban, tourists are still flying drones over Yellowstone National Park and it's landing some of them in serious trouble.
Colorado authorities say huge meth ring was being run out of Denver taco truck.
Colorado has begun to issue driver's licenses to immigrants who are in the United States illegally.
Teen takes shelter as tornado bears down on her home.
Columbine High School Principal Frank DeAngelis retires after fulfilling his promise to stay until every student touched by the tragedy there graduated.
Storm breaks windows and shreds siding in one Denver neighborhood.
Man claims he had extraordinary experience when his heart stopped beating for 15 minutes.
Police in Colorado confirm that marijuana candy may have played a role in the 9-1-1 murder of man's wife. Meantime, man's brother says shooting is "explainable".
Colorado company unveils first age-verifying, pot vending machine.
They had expected to raise $22.7 million before July from special sales taxes on recreational marijuana, but state economist Larson Silbaugh is skeptical.
Eleven candidates, all animals, are on the mayoral ballot in Divide, Colorado.
A Colorado girl, initially suspended for shaving her head has been allowed to return to school. The third grader shaved her head in support of her friend who has cancer.
Colorado school suspends 11-year-old girl for shaving her head as a show of support in classmate's batter with cancer.
Man steal vehicle with 4-year-old inside, then carjacks more vehicles in escape attempt.
A security camera captures an explosion and fire at the Veterans Affairs hospital construction site in Aurora, Colorado.
Colorado reports $2-million in tax revenue during its first month of legal marijuana sales.
Just two months into Colorado's legalization of recreational marijuana, the state is already learning lessons and feeling the effects.
Most Colorado hotels say they won't attempt to cater to "marijuana tourism" now that recreational pot use is legal.
Colorado's recent legalization of marijuana open doors to unexpected new businesses.
Batch of rum that survived devastating Colorado floods auctioned off to benefit Lyons Fire Department.
Colorado cities begin issuing retail marijuana licenses to businesses today.
The latest on powerful flood wonders that have hit parts of Colorado.
Beer truck spills load, shutting down busy Colorado highway.