Mystery Lights Above Metro Now Revealed: 'Don't Assume It Is A UFO'

Fire displaces dozen residents in Aurora, half dozen pets in single home

Witnesses recount the crucial moments when a shooter opened fire inside a King Soopers

Family frustrated after mural honoring teen killed in hit-and-run crash was vandalized

Douglas County's HEART team helps connect homeless with resources, despite a lack of shelters

Fantastic Friday on the way to kick off September warming trend

Group claims Colorado courts aren't protecting children from abusers

Denver paramedic explains how they were able to power through CrowdStrike outage

Northern Colorado teen Austin Barry recognized for historic performance on the golf course

Tourism down in some Colorado mountain communities by as much as 20%

Testimony begins in Boulder grocery store shooting trial

Aisha Ahmad-Post joins First at 4 to talk the new season underway at Newman Center

Rep. Brittany Patterson talks bill approving medical coverage for substance use disorder treatment

Witnesses recall what happened when a shooter killed 10 people inside a King Soopers

Colorado Department of Transportation workers killed in crash identified

Denver Broncos start off season with no injuries

In-N-Out Burger opens 2 new locations in Denver metro area bringing total in Colorado to 11

Restaurant Apprentices Get On The Job Training To Move Up

Opening statements underway in Boulder grocery store shooting trial

Football Friday continues with Columbine at Legend

Colorado Department of Public Health and Environment launches campaign about dementia

Colorado State Patrol, CDOT urge drivers to remember the "Move Over" law

CDOT makes another plea for Colorado drivers to "slow down, move over"

Opening statements set to start in trial of a man who killed 10 at a Colorado supermarket

A taste of fall before warmth builds again