Veteran Democrats running for Senate, governor and House are facing another round of insurgent challengers Tuesday.

Progressive candidates appear to have an edge in Colorado’s Democratic primaries next week.

Colorado's Democratic primaries reflect a debate over the party's future. Voters are deciding between younger, further-left candidates and more traditional Democrats.

Colorado's primary has Democratic incumbents fighting off challenges ranging from progressive newcomers to state lawmakers seeking higher office.

Democratic Rep. Diana DeGette didn’t take Melat Kiros seriously. Now she’s scrambling to convince Colorado voters she’s still the progressive pick.

Veteran Democrats running for Senate, governor and House are facing another round of insurgent challengers Tuesday.

One week after Democratic insurgent victories in New York, the focus is now moving to Colorado, where challenges in a trio of races are threatening candidates backed by the party…

With the seat solidly in the Democrats’ court, the real fight is the primary showdown between the more establishment senator and the state attorney general.

Democratic rifts over ideology, generation change and how best to take on President Donald Trump will be on display Tuesday in Colorado, as voters settle primaries for governor…