Historic Grand Canyon Lodge destroyed by expanding wildfire
The Dragon Bravo Fire in Arizona has destroyed dozens of structures and a water treatment facility on the Grand Canyon's North Rim.
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The Dragon Bravo Fire in Arizona has destroyed dozens of structures and a water treatment facility on the Grand Canyon's North Rim.
An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.
The blaze in northeastern British Columbia started Friday and almost doubled in size by the following day, reaching about 4,200 acres.
"An astonishing amount of smoke gets inside these facilities," said one researcher who spent the past three wildfire seasons collecting data from monitors installed in long-term care facilities.
Volatile organic compounds, or VOCs, in wildfire smoke can get into buildings and remain in the walls and floors for weeks. Some are hazardous to human health.
Smoke from wildfires is not the only reason for poor air quality this year. It turns out, those wildfires created another kind of pollution: Ozone.
The fires, which are still burning, have brought smoke and hazardous air quality to millions of Americans.
As more people across the country are seeing the impact of wildfires and smoke, scientists are turning to the promise of big data, technology and collaboration to keep big fires from spreading.
Smoke from the wildfires raging in Canada in 2023 have affected parts of the U.S. and even traveled across the Atlantic to Europe. Here is the expected forecast for the smoke.
Does a mask help with air pollution? Here's how to protect yourself from wildfire smoke as Canadian wildfires cause poor air quality in parts of the U.S.
Poor visibility is hampering flights across East Coast for second day due to smoke from more than 100 Canadian wildfires.
Air pollution takes an $800 billion annual toll on the U.S. economy. Wildfires — worsened by climate change — are making it worse.
As cities in the Northeast U.S. reach and even surpass "unhealthy" levels of air pollution, officials are urging people to avoid outside activities. Here's what to know about exercising when air quality is bad.
With potentially more smoky days on the horizon, CBS News Colorado spoke with a pulmonologist about ways you can stay safe this summer.
Air quality will suffer through Wednesday morning as more wildfire smoke from Canada is steered into Colorado. The air is particularly unhealthy for people with asthma.
Wildfires burning in Idaho and Montana are pushing a little smoke south into Colorado.
A wildland fire in Jefferson County prompted pre-evacuation notices to be sent to 60 residences in the Mount Lindo and tip of Willow Springs.
Coloradans in the high country and along the Front Range woke up to smoky and hazy skies on Monday.
A wildfire in the San Luis Valley in southern Colorado has burned nearly 200 acres and officials closed Highway 17 as a result.
Residents in Teller County who were evacuated during the High Park Fire can finally return home.
In a pre-emptive strike intended to eliminate trees and grasses in a controlled fashion, fire crews Saturday ignited "burnouts" near homes now threatened by the High Park Fire west of Cripple Creek.
It's now official that the NCAR Fire last month was human-caused.
The grass fire burned just under 10 acres south of the Twin Lakes neighborhood in Gunbarrel.
Following historic wildfires in Colorado, many communities and their fire departments are on heightened awareness when it comes to dry and windy days.
A new fire south of the NCAR Fire burn area in Boulder is forcing trail closures.
Many people spring clean their homes, but spring cleaning your credit and finances can be beneficial, as well.
On Sunday, the Museum of Boulder hosted a memorial to honor five years since 10 people were killed in a mass shooting at the city's Table Mesa King Soopers grocery store on March 22, 2021.
Firefighters rushed to a fire burning at a facility near I-70 and Colorado Boulevard early Monday morning.
Police in Arvada arrested two juveniles and searched for a third juvenile early Monday morning in connection with an auto theft.
Two pilots were killed and dozens of people injured at New York's LaGuardia Airport late Sunday night when an arriving Air Canada Express plane and fire and rescue vehicle collided, authorities said.
Many people spring clean their homes, but spring cleaning your credit and finances can be beneficial, as well.
On Sunday, the Museum of Boulder hosted a memorial to honor five years since 10 people were killed in a mass shooting at the city's Table Mesa King Soopers grocery store on March 22, 2021.
Firefighters rushed to a fire burning at a facility near I-70 and Colorado Boulevard early Monday morning.
Police in Arvada arrested two juveniles and searched for a third juvenile early Monday morning in connection with an auto theft.
A woman was taken to a hospital in the Denver metro area after deputies say she drove her car over a retaining wall at a local driving range.
A bill under consideration at the Colorado General Assembly would allow Coloradans to vote on a referendum requiring human operators for commercial autonomous vehicles weighing over 26,000 pounds.
Watch Alex Lehnert's forecast
Firefighters rushed to a fire burning at a facility near I-70 and Colorado Boulevard early Monday morning.
Police in Arvada arrested two juveniles and searched for a third juvenile early Monday morning in connection with an auto theft.
A woman was taken to a hospital in the Denver metro area after deputies say she drove her car over a retaining wall at a local driving range.
DraftKings pushed back on the accusation, saying in a statement that it is not engaging in trademark infringement.
Nathan MacKinnon had three assists in Colorado's 4-1 victory over the Chicago Blackhawks, helping the Avalanche become the first NHL team to clinch a playoff spot this season.
The Colorado State women's basketball team is heading home after a disappointing loss in the opening round of the NCAA Tournament on Friday night.
The Colorado State University women's basketball team is headed to the Big Dance, as the Mountain West Champions are set to play in March Madness for the first time since 2016.
The WNBA and its players' union reached a verbal agreement on a transformational new collective bargaining agreement early Wednesday morning, both sides said.
Two pilots were killed and dozens of people injured at New York's LaGuardia Airport late Sunday night when an arriving Air Canada Express plane and fire and rescue vehicle collided, authorities said.
President Trump said Immigration and Customs Enforcement agents will assist TSA agents at airports as delays and security staffing shortages continue to worsen.
The Supreme Court will consider whether states can count mail ballots that are postmarked by Election Day but arrive after.
Robert Mueller served as FBI director from 2001 to 2013 and led the investigation into allegations of Russian meddling in the 2016 presidential election.
DraftKings pushed back on the accusation, saying in a statement that it is not engaging in trademark infringement.
It's similar to a bill that Gov. Jared Polis vetoed last year. The Teamsters support the bill because they say it would take away jobs and make Colorado roads less safe.
President Trump said Immigration and Customs Enforcement agents will assist TSA agents at airports as delays and security staffing shortages continue to worsen.
In a 54 to 37 vote, two Democrats voted with all Republicans in attendance to advance Sen. Markwayne Mullin's nomination. A final confirmation vote is expected in the coming days.
The Supreme Court will consider whether states can count mail ballots that are postmarked by Election Day but arrive after.
Robert Mueller served as FBI director from 2001 to 2013 and led the investigation into allegations of Russian meddling in the 2016 presidential election.
Two Colorado lawmakers have proposed a bill to address racial disparity when it comes to maternal mortality rates.
The federal class-action lawsuit claims that, for years, state officials have known that they're harming already vulnerable children by keeping them in detention, even after judges have said they should be released.
Colorado voters will decide whether transgender children can play sports with the gender that matches their gender identity or whether they'll be forced to play with other children of the same gender they were assigned at birth.
A judge blocked a set of changes to the childhood vaccine schedule recommended by allies of Health and Human Services Secretary Robert F. Kennedy, dealing a setback to the Trump administration's efforts to overhaul federal vaccine policy.
Patchwork state policies and limited federal oversight have led to a fragmented system for tracking organ donor status.
A jury has found Elon Musk liable for misleading investors by deliberately driving down Twitter's stock price in the tumultuous months leading up to his 2022 acquisition of the social media company.
CBS News announced Friday that CBS News Radio will be shutting down this spring after nearly 100 years of broadcasting, citing "challenging economic realities."
A pharmaceutical company issued the recall after receiving complaints of "gel-like mass and black particles" in the product, the FDA said.
The FCC announced Thursday that it had approved the $6.2 billion merger of major broadcast station owners Nexstar and Tegna.
Mortgage rates, though still well below their level a year ago, have edged up since the Iran war erupted. Here's why.
One day after DIA's general counsel filed a federal lawsuit against the city and three of Mayor Mike Johnston's appointees -- alleging unethical and potentially illegal behavior, and claiming they were plotting to oust airport CEO Phil Washington -- one of the appointees, City Attorney Miko Brown, responded by saying of the claims in the lawsuit, "I know they're upsetting."
A woman whose aging mother was charged thousands of dollars to change a lock reached out to CBS Colorado in hopes that the station would help them get the money back.
A senior lawyer at Denver International Airport filed a federal lawsuit against the city and three top officials, claiming he was pushed out of his job after warning about possible alleged violations of law and more.
A CBS Colorado investigation has found Denver may now be subsidizing fire protection for neighboring cities -- despite deals that were supposed to save money -- as the city faces deep budget cuts and layoffs.
Eleven Denver City Council members voluntarily reimbursed the city for 2025 furlough days with reimbursement amounts ranging from $762.60 up to $1,969.92. Most of the council members' reimbursements were around $1,300.