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.
The City of Denver wants to bring the first-ever full-service restaurant to Civic Center Park.
Three Colorado residents are currently serving prison sentences following a 16-year-old girl's drug overdose.
The Denver Police Department is warning residents to be aware of a scam in which suspects call, claiming to be from the victim's bank.
Team USA defended its Olympic figure skating team event gold medal on Sunday after Ilia "Quad God" ushered the team to victory at the Milan Cortina 2026 Winter Olympics.
Republicans and Democrats in Congress are locked in a standoff over reforming the nation's immigration enforcement operation as a deadline to reach a resolution and fund the Department of Homeland Security approaches.
The City of Denver wants to bring the first-ever full-service restaurant to Civic Center Park.
Three Colorado residents are currently serving prison sentences following a 16-year-old girl's drug overdose.
The Denver Police Department is warning residents to be aware of a scam in which suspects call, claiming to be from the victim's bank.
An early morning collision between a train and a car in Brighton sent one person to the hospital and now police are investigating whether the driver of the car was drunk at the time he stopped on the tracks.
A 14-year-old boy is dead and now the Colorado Bureau of Investigation has issued an alert looking for the driver of a black BMW sedan who police say struck the teen while he was riding his bicycle in Thornton.
Organizers say they're working on creating protest infrastructure in Denver, with near-constant protests and actions.
The former analyst, who worked at the Colorado Bureau of Investigation and is accused of falsifying DNA test results, putting hundreds of criminal case outcomes into question.
Denver Mayor Mike Johnston boasted a 45% reduction in street homelessness since 2023, but overall homelessness — sheltered and unsheltered — is still on the rise, local nonprofits say.
The events put servicemembers from all branches into military-style exercises and games — all while wearing ski boots.
The fire destroyed Rocky Mountain Roosters, and while the owners work to rebuild, they're thanking firefighters for rescuing about 30 dogs and preventing the fire from spreading.
Team USA defended its Olympic figure skating team event gold medal on Sunday after Ilia "Quad God" ushered the team to victory at the Milan Cortina 2026 Winter Olympics.
President Trump criticized Team USA freestyle skier Hunter Hess after he and other American athletes at the 2026 Winter Olympics shared their thoughts on U.S. politics.
Breezy Johnson took the lead early on after flying down the mountain in 1:36.10. It is her first-ever Olympic medal.
Lindsey Vonn, who came out of retirement to compete in the Milano Cortina Games, is in stable condition after her crash.
Here's how much Bad Bunny is expected to earn from his halftime performance at Super Bowl LX.
Team USA defended its Olympic figure skating team event gold medal on Sunday after Ilia "Quad God" ushered the team to victory at the Milan Cortina 2026 Winter Olympics.
Republicans and Democrats in Congress are locked in a standoff over reforming the nation's immigration enforcement operation as a deadline to reach a resolution and fund the Department of Homeland Security approaches.
A whistleblower complaint includes highly-classified details about a National Security Agency intercept of a call between two foreign nationals who discussed a person close to President Trump, two sources said.
President Trump criticized Team USA freestyle skier Hunter Hess after he and other American athletes at the 2026 Winter Olympics shared their thoughts on U.S. politics.
Breezy Johnson took the lead early on after flying down the mountain in 1:36.10. It is her first-ever Olympic medal.
Republicans and Democrats in Congress are locked in a standoff over reforming the nation's immigration enforcement operation as a deadline to reach a resolution and fund the Department of Homeland Security approaches.
A whistleblower complaint includes highly-classified details about a National Security Agency intercept of a call between two foreign nationals who discussed a person close to President Trump, two sources said.
President Trump criticized Team USA freestyle skier Hunter Hess after he and other American athletes at the 2026 Winter Olympics shared their thoughts on U.S. politics.
Nexstar's acquisition of Tegna would bring together two companies with significant holdings in local broadcast media.
Skier Chris Lillis said he was "heartbroken about what's happened in the United States," while skater Amber Glenn said she "will not just be quiet."
Colorado health officials have issued a safety notice over batches of marijuana contaminated with yeast and mold sold in 31 stores across the state over the past two-and-a-half months.
Becca Valle, then 37, enrolled in a cutting-edge clinical trial after surgery removed an aggressive tumor from her brain.
The Trump administration launched its new TrumpRx direct-to-consumer prescription drug listing site late Thursday, part of a push to offer medication at steep discounts.
On Colorado's Eastern Plains, danger can strike faster than help can reach you. For one rancher in Sterling, a simple chore in his land turned into the fight of his life.
People who call 911 in Aurora for non-emergency medical issues now have the option to be connected to a doctor virtually instead of having an ambulance sent to their location.
Here's how much Bad Bunny is expected to earn from his halftime performance at Super Bowl LX.
Colorado health officials have issued a safety notice over batches of marijuana contaminated with yeast and mold sold in 31 stores across the state over the past two-and-a-half months.
Design plans for the community include walking trails, play areas, community gardens, and indoor gathering spaces. The property sits next to Expo Park and a city recreation center, the Highline Canal Trail, and transit access.
Nexstar's acquisition of Tegna would bring together two companies with significant holdings in local broadcast media.
Though the commerce secretary has called his interactions with Epstein as "limited," the two were in business together four years after Epstein's 2008 guilty plea.
Denver drivers continue to be impacted by a change in how parking tickets are disputed. That system changed in September, when the city eliminated the ability to dispute parking tickets online.
Former Denver Police Chief Paul Pazen, who retired as chief in 2022, plans to announce next week that he is running for a seat on Denver City Council.
Colorado parents are raising concerns after a dispute between their school district and its water provider put the school's future firefighting water supply in question.
An Arapahoe County judge ordered Aurora resident Daniel Alexander Ashby to stand trial for felony assault, after witnesses say Ashby body-slammed defense lawyer H. Michael Steinberg in a courthouse hallway last December.
Newly released documents from the Lakeside Police Department say former Sgt. Howard Prince admitted to cheating on his time records, but also said that in an interview, the sergeant said he didn't know why he falsified his time sheets.