The Colorado Senate approved a bill that would allow the state to rely on vaccine recommendations from sources outside the ...

The Colorado Senate voted nearly along party lines Tuesday to pass a bill expanding the state’s “red flag” law that lets ...

The Democrat says it’s natural for voters to ask, but that he thinks people feel good about his explanation — which is that as governor he can both fight Donald Trump and chart a new path forward for ...

Colorado's U.S. senators are blocking a government spending bill, demanding the Trump administration reverse plans to dismantle the National Center for Atmospheric Research — a major climate lab based ...

A divided panel of Colorado legislators on Monday advanced a proposal to give individuals injured during an immigration enforcement operation the ability to sue federal agents in state court. The ...

A measure to ban plastic pellet spills in Colorado passed committee and now heads to the full Senate, with sharp debate between environmental and consumer advocates and the plastics industry.

The Senate approved the measure on a near-party-line vote, 20-13. Sen. Nick Hinrichsen, of Pueblo, was the only Democrat to vote against the measure.

The Colorado Senate Health and Human Services Committee has approved a new bill regarding vaccine policy. After public ...

Colorado Sens. Michael Bennet and John Hickenlooper threw a wrench in Senate plans to start work on a government funding package before heading home for the holidays. The two Democrats put a hold on ...

The United States Senate recently took steps to advance two longstanding pieces of legislation aimed at adding new protections against development for beloved landscapes in Southwest Colorado. These ...