Watch CBS News
"It's a descriptive term for an individual to generate very high amounts of neutralizing antibodies," Dr. Mohanakrishnan Sathyamoorthy, Chair of Internal Medicine, Texas Christian University.
Following pressure from Colorado Gov. Jared Polis and thousands of wild horse advocates, the state's largest roundup ended Sunday, earlier than initial plans laid out by the Burea of Land Management.
The Colorado Department of Public Health and Environment along with state testing groups say there has been a steady increase over the past few weeks as the Delta variant continues to make COVID-19 more contagious.
It was another packed house in Breckenridge as Council members met for the first reading of an ordinance that would put a cap on short term rentals.
History Colorado starts new speaker series featuring trailblazers, visionaries, and history-makers.
Justin Long talks about his directorial debut called "Lady of the Manor" and his memories from working with Ben Stiller and Vince Vaughn in "Dodgeball" and Jonah Hill in "Accepted."
After three consecutive days with cooler weather along the Front Range, the Denver area will return to the 90s most days through the upcoming weekend.
A South Metro firefighter paramedic passed away Wednesday morning. He became sick with cancer because of his job and his sacrifice is considered a line-of-duty death.
New research from the Centers for Disease Control and Prevention suggests the Moderna COVID-19 vaccine is the most effective against the delta variant.
The 6-year-old girl who died on a ride at the Glenwood Caverns Adventure Park was laid to rest on Tuesday.
Red Rocks Amphitheater is a one-of-a-kind venue and now has a ticket-reading system that is the first of its kind.
Bob Enyart was vocal and critical about the coronavirus pandemic, abortion, the LGBTQ community and AIDS victims.
A Denver Public Schools investigation into allegations against Denver School Board Director Tay Anderson has been completed.
Poudre School District says staff shortages in their transportation department and inside their schools are having negative impacts on students, staff and even parents.
A serious crash shut down an Aurora intersection Tuesday night.
A towering sculpture beloved by many has arrived in Aurora. "Liberty," a dazzling 58-foot-tall mirrored sculpture by acclaimed artist Michael Benisty, now stands as the newest addition to The Aurora Highlands Art in the Park program.
The Arapahoe District Attorney's Office is defending its decision to give probation and community service to a teenager who was driving illegally and, in the country illegally, when he killed a woman.
Residents in Fort Collins could soon be voting on the future of the former Hughes Stadium property, the second time such a decision would be made in the last five years.
Deer Creek Canyon Park is scheduled to have a partial reopening May 15 after it was damaged in the Quarry Fire last year.
A 42-year-old man has been charged with one count of felony unwanted sexual contact over an incident that allegedly occurred last year when state Rep. Jenny Willford said Mukadyrov, who was driving while using someone else's Lyft account, sexually assaulted her.
Time is running out for states to come to some kind of consensus for rules under the Colorado River Compact.
After a wet week across Colorado, many communities are finally seeing some relief from persistent dry conditions.
There are lots of cities and towns in the Denver area that are hosting professional fireworks shows on the Fourth of July this year.
Blue Mesa Reservoir in west-central Colorado is making changes to its boat ramp access and marina operations as water levels continue to drop.
Boyd Lake State Park in Northern Colorado will close its boat ramps on Sunday for the rest of the season.
Time is running out for states to come to some kind of consensus for rules under the Colorado River Compact.
Watch Dave Aguilera's Forecast
Republican Dick Wadhams and Democrat Mike Dino have a century of combined experience in Colorado politics, and they say 2026 will be a defining year for both major parties as they battle ideological wars from within.
After a wet week across Colorado, many communities are finally seeing some relief from persistent dry conditions.
In this week’s Your Local Dish, CBS Colorado First at 4 Anchor Mekialaya White and restaurant promoter Larry Herz have pizza at Angelo's Taverna in Denver.
On Friday, Denver Summit FC celebrated another major milestone with the opening of the team's new performance center in Centennial.
The U.S. men's team had already clinched its spot in the Round of 32, the knockout round, with its 2-0 win over Australia on Friday.
The Colorado Avalanche traded Valeri Nichushkin to the Columbus Blue Jackets.
No foul was initially called after Alyssa Thomas' fist made contact with Caitlin Clark's throat during a game between the Phoenix Mercury and Indiana Fever on Wednesday.
American tennis legend Chris Evert announced that her ovarian cancer had returned in a social media post Thursday.
Utah is restricting fireworks as the largest wildfire in the nation grows, fueled by dry conditions and gusting winds.
Michigan State Police said law enforcement and Child Protective Services confirmed a report against Pete Buttigieg was unsubstantiated and false.
The defense team for Tyler Robinson asked that the death penalty be taken off the table following public comments by prosecutors.
In "Regime Change, Inside the Imperial Presidency of Donald Trump," Maggie Haberman and Jonathan Swan describe his fundamentally different approach to running the country.
Bolton agreed to pay a $2.25 million fine, pleading guilty to one count of retaining classified national security information.
Michigan State Police said law enforcement and Child Protective Services confirmed a report against Pete Buttigieg was unsubstantiated and false.
In "Regime Change, Inside the Imperial Presidency of Donald Trump," Maggie Haberman and Jonathan Swan describe his fundamentally different approach to running the country.
Bolton agreed to pay a $2.25 million fine, pleading guilty to one count of retaining classified national security information.
An investor who employed and was close to Jeffrey Epstein appeared before members of Congress Friday investigating the deceased sexual abuser.
A trove of emails offers a new look at how the Centers for Disease Control and Prevention navigated some of the most controversial decisions of President Trump's second term.
Larimer County in Northern Colorado confirms first human case of West Nile virus this year
A trove of emails offers a new look at how the Centers for Disease Control and Prevention navigated some of the most controversial decisions of President Trump's second term.
American tennis legend Chris Evert announced that her ovarian cancer had returned in a social media post Thursday.
Some Senate Democrats want to cap the amount beneficiaries in traditional Medicare have to pay toward care, but the move is expected to draw GOP opposition for potentially adding billions to Medicare costs.
Medicare is testing the use of artificial intelligence to preapprove several healthcare services.
A new report says it will take 93 years to solve the Denver metro area's affordable housing deficit. Modular technology could help speed up the process.
Technology companies are betting trillions of dollars that consumers will open their wallets for AI services. But what if Big Tech is wrong?
The Supreme Court ruled that Monsanto cannot be held liable under state laws for failing to warn consumers about the alleged cancer risks of its weedkiller Roundup on its label.
Inflation continued to rise in May, with the Personal Consumption Expenditures price index rising at an annual rate of 4.1%.
Bret Saunders from KBCO radio is out of job.
A Keenesburg police officer pleaded no contest to reckless driving and reckless endangerment stemming from a 2025 crash on Interstate 25 that the Colorado State Patrol said he caused -- and then fled from.
A locksmith who investigators believe has been targeting older adults in the Denver metro area is now facing theft charges.
An internal Denver International Airport memo obtained by CBS Colorado appears to corroborate key details of a closed-door meeting that city officials have been publicly disputing.
The Colorado State Patrol has concluded one of its troopers, Amber Garcia, used excessive force when she tasered a driver seven times in 35 seconds in 2024 in Saguache County.
Magnus' Law is named after a 17-year-old boy killed by a driver who was never investigated for DUI. But the driver had been drinking.