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With Colorado's Senate race effectively deadlocked, each side is looking ways to tarnish the other in the eyes of voters.
A citizens group has pored over documents, statistics and facts related to November's GMO-labeling ballot issue to help inform voters about the measure.
Republican Rep. Cory Gardner on Tuesday blamed Democratic Sen. Mark Udall for not doing more to stop the rise of the terrorist organization that now controls much of Iraq and has beheaded two American reporters.
Sen. Mark Udall on Monday apologized for saying that two reporters beheaded by militants in the Middle East would agree that the United States should not "be impulsive" in responding to their deaths.
Health care and the partial government shutdown underscored the first debate Saturday between U.S. Democratic Sen. Mark Udall and Republican U.S. Rep. Cory Gardner, who are deadlocked in a pivotal Colorado contest that could determine control of the Senate.
Republican gubernatorial candidate Bob Beauprez challenged Democratic Gov. John Hickenlooper to answer whether he intends to grant clemency to a death row inmate before Hickenlooper leaves office.
A Colorado U.S. Senate race that can decide control of the chamber in November will be in the spotlight Saturday as incumbent Democratic Sen. Mark Udall and Republican U.S. Rep. Cory Gardner meet for their first debate.
Democratic Sen. Mark Udall is going after his opponent's proposal to make birth control an over-the-counter drug.
Democratic Sen. Mark Udall is headed to the perennial political battleground of Jefferson County to continue talking about abortion rights.
GOP Senate candidate Cory Gardner, framed by sunflowers and wind turbines, tells voters in a campaign ad this week that he co-wrote a law to launch Colorado's green-energy economy. He leaves out that the law was repealed five years later, deemed useless for not enabling a single project.
Colorado Democratic Gov. John Hickenlooper has widened his fundraising edge against Republican challenger Bob Beauprez despite recent public missteps that have fueled GOP attacks.
Colorado Attorney General John Suthers says he will run for mayor of his hometown of Colorado Springs.
Rep. Cory Gardner is selling himself as "a new kind of Republican" as he tries to unseat Democratic Sen. Mark Udall.
New campaign ads claim the Democratic governor of Colorado is soft on a convicted killer and the Democrats' hopeful in Maine would dole out millions in tax dollars to immigrants in the country illegally.
