Colorado

New York governor's race and two incumbent vs. incumbent contests are among some key primaries on Tuesday.

If the water level at the country's second-largest reservoir drops about another 30 feet, the Glen Canyon Dam will be unable to create hydroelectric power.

The patient, an inmate in a pre-release program, was involved in culling poultry presumptively infected with H5N1 bird flu at a farm. The virus, while deadly for birds, poses a low risk to humans.

To advance health equity, the state is requiring insurers that offer public option plans to collect demographic data on providers, including race and sexual orientation, raising privacy concerns.

Firefighters are bracing for the return of ferocious winds in the Southwest after a brief reprieve allowed them to attack flames from the air for the first time in days.

Fire managers across the Southwest are reckoning with strong winds that forecasters say could lead to explosive growth in wildfires this week.

Though more Republican-held seats are up for grabs in November, Democratic struggles mean the GOP has improved its likelihood to take control of the Senate. Here are the key contests to watch.

With 60% of the state's population already covered by wastewater testing, Colorado is aiming to be a sentinel of coming contagion — not just of COVID surges, but of other types of diseases, too.

Colorado joins 15 other states that have enacted laws to protect abortion, while the U.S. Supreme Court considers a challenge to Roe v. Wade and conservative legislatures take aim at the practice.

If Roe v. Wade falters, Colorado will be nearly surrounded by a sea of anti-abortion states. The state is bracing for impact from out-of-state residents, while lawmakers cement abortion protections.