Denver International Airport (DIA)

House Bill 1012 was rejected Tuesday during its first hearing at the Colorado Capitol. It faced big opposition from the business community.

Many business groups are already lobbying against the measures. Gov. Jared Polis, as well as more moderate Democrats at the Capitol, could pose a roadblock to the bills becoming law, too.

Traveling during the holidays can be a stressful experience. And it’s not just the crowds – research shows the noise of a busy airport like DIA can add to travelers’ anxiety levels. Which is why Denver airport officials have launched an effort to turn down the noise.

Denver airport expects today's electrical demand of 45 megawatts to expand to 300 to 400 megawatts in the next two decades.

Passengers may not feel the sting, but workers will.

Airlines will likely keep their major routes but cut regional flights.

Denver is now the top airport for the number of nonstop destinations within the U.S.

Colorado artist Detour is known for his colorful murals all around Denver. But a recent installation in Concourse B at Denver International Airport is a different type of experience.

Earlier this year, a commercial airliner struck an animal as it was taking off from Denver International Airport and had to make an emergency landing. Which led KUNC investigative reporter Scott Franz to ask: Just how often does this kind of thing happen? Scott found documents that show planes at DIA hit birds and other animals hundreds of times each year.

The firefighting foam used by airports has long contained toxic “forever chemicals.” Denver International Airport recently completed a huge project to clean up those chemicals from runways and airport firefighting equipment. You can hear why the cleanup was needed – and what might happen next with all that toxic waste,