Watch CBS News
Radio traffic reveals some of the events during the deadly shooting and standoff.
Matthew Riehl shared harassing posts on his social media sites and sent harassing emails to police officers, Lone Tree officials stated.
Isla McLellan was born at UCHealth Memorial Hospital Central at 12:01 a.m. Monday.
The Fayetteville Police Department threw away over 300 untested rape kits to make space in their evidence room.
Customers who lined up early to purchase recreational marijuana legally for the first time in California say they're happy cannabis is now regulated.
The girls are believed to be in extreme danger, according to the National Center for Missing & Exploited Children.
It was a bitterly cold start to 2018 on Colorado's eastern plains where morning lows dropped below zero.
The man who shot and killed a Douglas County Sheriff's deputy and injured three other deputies and an officer, had a past that included a warning from the University of Wyoming.
Douglas County Sheriff's Deputy Jeff Pelle, son of Boulder County Sheriff Joe Pelle, was one of three Douglas County Deputies wounded when a gunman ambushed them at a Highlands Ranch apartment complex Sunday.
Temperatures hovered just above freezing for most of the first day of the new year in Summit County.
There has been an outpouring of support for the family Deputy Parrish left behind.
Three of the four surviving officers injured in the deadly shooting in Douglas County on Sunday are recovering at home.
The man who launched a deadly attack on four police officers inside a Colorado apartment was a former Army Reservist who was deployed in Iraq for a year, a spokesperson for the military said Monday.
Sheriff's deputies in Weld County shot a man after a chase on Sunday.
A Denver man is worried for his mother's safety. Denver resident, Danny Preston says his mother Barbara Zind has spent nearly nine years volunteering and providing medical aid overseas.
Morning starts off very cold, with below average temperatures through the afternoon before seasonable weather returns by mid-week.
Flag football is one of the fastest-growing sports in the nation and now among the new sports added to the Olympics. Here in Colorado, the sport is really taking off for high school girls.
Watch Dave Aguilera's Forecast
A Basin opened for the season Sunday and while traffic getting to the mountains was heavy, guests were treated to music and a costume contest to help kick off the season.
The Clear Creek County Sheriff's Office is issuing a warning about parking restrictions in Colorado's mountains ahead of leaf-peeping season.
Artwork created by Christian Glass now lines the walls of a new community space in Lyons, a place his family hopes will give teens and young adults a safe place to connect, create, and spend time together.
A coalition of advocacy groups and a Democratic-led city filed a preemptive lawsuit seeking to block the Trump administration from deploying armed ICE agents to polling sites ahead of the midterm elections.
Late on Tuesday night, Parker Police Department believes speed is what led to a deadly crash on Mainstreet.
Evergreen High has two new members of its community -- two dogs whose presence has become part of the daily rhythm of the school, offering students and staff something they desperately needed after a shooting shattered their sense of safety.
Commerce City police release body cam video showing the capture of a felony menacing suspect.
Watch meteorologist Callie Zanandrie's forecast.
United Airlines cancels a scheduled Boeing 777 flyover for Denver to commemorate 9/11.
Gas prices are once again on the rise in Colorado and across the country as crude oil prices increase.
The Clear Creek County Sheriff's Office is warning leaf peepers about parking restrictions on Guanella Pass this fall.
Ben Shelton ended Carlos Alcaraz's title reign in the latest-finishing match in U.S. Open history, pulling out the victory in a marathon tussle that ended at 3:33 a.m. Wednesday.
The Broncos are highlighting their stadium's new food and drink options for their upcoming 2026 season.
The Border War between Colorado State University and the University of Wyoming returns this weekend, continuing one of the oldest rivalries in college football.
At the U.S. Open, artificial intelligence is giving players and fans a new way to experience the tournament.
Playing together at the U.S. Open in New York for the first time in four years, Serena and Venus Williams lost in a three-set thriller match in the first round of the women's doubles tournament.
A coalition of advocacy groups and a Democratic-led city filed a preemptive lawsuit seeking to block the Trump administration from deploying armed ICE agents to polling sites ahead of the midterm elections.
President Trump vowed Wednesday to send a $5,000 "dividend" to every American citizen after the midterms, but only if Republicans hold onto control of Congress. He didn't offer details on how the payments would work.
Anthropic announced a fourth cybersecurity incident in which Claude gained access to the open internet during testing.
Average temperatures across the U.S. soared to record heights between June and August in 2026, a new report found.
"He is wanting to make a deal. And if Zelenskyy is wanting to make a deal, that would be very nice," President Trump said.
A coalition of advocacy groups and a Democratic-led city filed a preemptive lawsuit seeking to block the Trump administration from deploying armed ICE agents to polling sites ahead of the midterm elections.
President Trump vowed Wednesday to send a $5,000 "dividend" to every American citizen after the midterms, but only if Republicans hold onto control of Congress. He didn't offer details on how the payments would work.
The top Democrat in the U.S. House of Representatives made a stop in Colorado this week, less than a month after the Republican Speaker of the House was here.
Democratic Sen. John Fetterman appeared in a surprise video at the Republican Party's midterm convention on Wednesday, as he becomes increasingly isolated from his own party.
"He is wanting to make a deal. And if Zelenskyy is wanting to make a deal, that would be very nice," President Trump said.
Employer health benefit costs are projected to see the steepest increase next year since 2003. That could mean higher deductions and out-of-pocket costs for workers.
Arapahoe County Public Health has invested money to support moms and families through a bilingual doula program. Doulas are trained to give support before, during and after birth.
Lindsay Clancy's case is resonating with moms across the U.S. — bringing into focus the spectrum of perinatal mood and anxiety disorders and the lack of resources for many women.
Clean air advocates are asking local and state leaders in Colorado to act on the unhealthy ozone levels and their impacts.
If passed, the legislation would expand eligibility for residents in 57 Colorado zip codes to get compensation based on a list of eligible diseases and cancers, and would include coverage for workers and residents known as "downwinders."
Wall Street analysts are skeptical that the Treasury Department's bond purchases can curb yields and lower U.S. borrowing costs.
Apple introduced the iPhone 18 at its annual tech showcase and unveiled its first foldable phone.
A top Anthropic researcher says there's more than a 10% chance AI "could kill all humans," after a colleague resigned over similar concerns.
Beer delivery trucks are repeatedly turning onto a residential cul-de-sac in a Northern Colorado neighborhood.
The Trump administration moved Tuesday to ban imports of Canadian motorcycles, some dairy products and most types of alcohol starting later this month, intensifying the trade war between the two countries.
Evergreen High has two new members of its community -- two dogs whose presence has become part of the daily rhythm of the school, offering students and staff something they desperately needed after a shooting shattered their sense of safety.
Denver's Board of Ethics voted unanimously to investigate two complaints against City Attorney Miko Brown.
A former student and her parents are suing a church and school, alleging officials failed to protect the girl from a music director who they say sexually assaulted her when she was 13 and then failed to properly respond when concerns surfaced.
Despite having health insurance, families in Colorado have been hit with massive medical bills after their babies spent time in NICUs.
Denver Mayor Mike Johnston's security detail drew his gun on a man at Union Station last week, the mayor's office said Monday.
