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Air traffic controllers in Denver had to scramble to use backup frequencies after their main communications lines went down for 90 seconds earlier this week in the latest Federal Aviation Administration equipment failure. The FAA's head of air traffic control, Frank McIntosh, said during a House hearing Thursday that the outage in Denver happened Monday afternoon but its radar remained online.

An Associated Press analysis of an aviation safety database reveals that drones last year accounted for nearly two-thirds of reported near midair collisions involving commercial aircraft taking off and landing at major U.S. airports. Over the last decade, a majority of such incidents involved drones.

Background music is no longer an afterthought at many airports. Some are hiring local musicians and carefully curating playlists to help lighten travelers' moods.

The Boulder municipal government is asking a federal judge to determine whether the city has the right to defy the Federal Aviation Administration and close the Boulder Municipal Airport.

Boulder residents in November might vote on a controversial proposal to decommission Boulder Municipal Airport and use the land for housing.

Citing frustrations with airport-owner Jefferson County over a lack of progress in reducing or addressing airport noise, the Louisville City Council voted unanimously Tuesday night to join a growing effort to dissolve the roundtable.

Boulder's seven-member housing board recently sent a memo to city council members seeking feedback on a proposal to turn Boulder Municipal Airport into a mixed-income neighborhood with more affordable housing units. Boulder Report Lab reporter John Herrick joined ÂÜÀòÉÙÅ®'s Michael Lyle, Jr. to provide more on the story.

The project to develop a more cost-efficient remote air traffic control tower has been in the works at the airport since 2015.

Six months ago, Rocky Mountain Metropolitan Airport Director Paul Anslow didn’t want to talk about leaded fuel. He said he had "zero control" over the airport's use of it. Today, the airport is racing to become the first in Colorado to completely phase the fuel out.

Residents in Superior say an airport in Jefferson County where hundreds of planes still use leaded gasoline is the source of lead they are finding on their homes. The airport director is skeptical of the claims.