Mark Udall

Colorado is one of the battleground states where Republicans made big gains this week, but the state is becoming more urban and more diverse — two factors that work in Democrats' favor.

In a race polls had consistently neck-and-neck, Republican Cory Gardner celebrated a decisive victory for one of Colorado's two U.S. Senate seats Tuesday…

Colorado's U.S. Senate seat has been a tightly fought race characterized by a razor-thin difference between the candidates in the polls. It's also been a…

Watching election returns can seem boring. However recent elections in Colorado have become something worth watching. Colorado's U.S. Senate and…

Election Day is less than a week away, and campaigns for close races for U.S. Senate and Governor are making their final pitch to voters. In order to get…

A new poll finds Colorado's Governor and Senate races remain close. Republican Cory Gardner is still ahead of Democrat Mark Udall in the Senate race, but…

Incumbent Democratic Senator Mark Udall swung through the University of Northern Colorado in Greeley to recruit volunteers and get voters fired up for…

Whether it’s advertising on television, commercial radio or even YouTube, both sides in Colorado’s U.S. Senate race are ramping up their efforts to get a…

Democratic Senator Mark Udall and Republican Congressman Cory Gardner had a spirited debate Tuesday night hosted by The Denver Post. Both candidates are…

With Colorado's U.S. Senate race too close to call, both parties are on an all-out blitz to court as many voters as they can prior to the November…