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The Republicans set in motion a key ritual of the American political process Thursday, with billionaire businessman Donald Trump using the opening moments of the party's first debate of the 2016 presidential campaign by refusing to rule out running as an independent.
One million gallons of wastewater from a San Juan County mine are spilling into the Animas River.
Deliberations have started as jurors in the Aurora theater shooting trail will decide between life in prison or death. Those are the only two options for defendant James Holmes in the sentencing phase of the trial.
A 10-year-old boxer mix will soon be reunited with its owner in Colorado after being lost for nine years.
Matilda may be a little girl, but 'Matilda the Musical' is a big show with a lot of props that are all the responsibility of one man. Critic at Large Greg Moody went backstage in San Francisco to meet him.
The Denver FBI Division released a statement on Thursday saying they have found no credible threats to military personnel or their family members in Colorado or Wyoming.
Educators and students celebrated the beginning of a new school year in far northeast Denver on Thursday.
Vestas Wind Systems is hiring hundreds of new employees in Colorado.
Prosecutors and defense attorneys began delivering their closing arguments Thursday before the jury was to begin deliberating whether Holmes, 27, should spend the rest of his life in prison or die by lethal injection.
Three people from Boulder survived a plane crash in Idaho.
An extensive search for explosives at Stearns Lake in Boulder County wrapped up Thursday afternoon after two grenades were found there in less than two days.
Two residents of Montrose, Colorado, died Wednesday afternoon in a head-on crash on Alaska's Kenai Peninsula.
A man police believe attacked a woman in what the victim claims was a racially-motivated assault has been formally charged.
A gas leak that closed a major roadway in Aurora has been repaired. Alameda Avenue was closed at Abilene and Sable because of the leak for about two hours Thursday afternoon.
