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.
A Casper, Wyo. man has been sentenced to prison for making multiple violent and anti-semitic threats against the Anti-Defamation League in Colorado and Texas in 2025.
This weekend, the Colorado Convention Center is abuzz with travel enthusiasts landing from all over the world for the 2026 Travel and Adventure Show. The show's been on the road for a while and is making its final stop in Denver.
Boulder-based nonprofit Resource Central is helping homeowners save money on home renovations and repairs.
As Colorado approaches its 150th anniversary of statehood and the United States' 250th birthday, an exhibit in Douglas County is exploring the Palmer Divide's history and its future.
During the spring and summer, a lot of the things Coloradans do to have fun or cool down involve water. Amid drought conditions in much of the state, city parks officials say that shouldn't impact your summer plans too much.
A Casper, Wyo. man has been sentenced to prison for making multiple violent and anti-semitic threats against the Anti-Defamation League in Colorado and Texas in 2025.
This weekend, the Colorado Convention Center is abuzz with travel enthusiasts landing from all over the world for the 2026 Travel and Adventure Show. The show's been on the road for a while and is making its final stop in Denver.
Boulder-based nonprofit Resource Central is helping homeowners save money on home renovations and repairs.
As Colorado approaches its 150th anniversary of statehood and the United States' 250th birthday, an exhibit in Douglas County is exploring the Palmer Divide's history and its future.
During the spring and summer, a lot of the things Coloradans do to have fun or cool down involve water. Amid drought conditions in much of the state, city parks officials say that shouldn't impact your summer plans too much.
A group in Northern Colorado is planning to open a free market with food, clothing and household goods to help community members in need.
The Department of the Air Force announced this week that Buckley Space Force Base in Colorado is one of two preferred locations for planned microreactors.
The man who was killed was walking his dog near 32nd Street and Arapahoe Street at the time, according to a witness.
The musicians, who come from high schools across the state, said it offered a window into what a career in music could look like.
Over 2,000 state Republicans packed an auditorium on CSU's Pueblo campus after waiting in line for up to five hours.
Bednar was struck by a puck during Saturday's game against the Vegas Golden Knights and was taken to the hospital. He was standing behind the Avs' bench when a puck flew over the boards and hit Bednar in the third period.
Denver has thrived in the uncomfortable, refusing to panic even when the opponent is dominating play. Much of that is because of the freshman in the Pioneers' net.
On Friday morning, the Colorado Rockies confirmed they have sold 40% of the team's ownership to the Penner Family, the same family that owns a majority stake in the Denver Broncos.
The Penner Sports Group, part of the ownership of the Denver Broncos, has purchased a minority stake in the Colorado Rockies.
Denver Pioneers beat Michigan 4-3 in the second overtime Thursday night and advance for a chance to win their third national title in five years.
President Trump said the U.S. Navy will begin blockading ships from entering or exiting the Strait of Hormuz and intercept vessels that have paid tolls to Iran.
The Artemis II astronauts flew back to the Johnson Space Center in Houston Saturday to cheers and applause from family members and hundreds of NASA workers.
The destroyers were beginning mine-clearing operations in the vital waterway, U.S. Central Command said Saturday.
The Artemis II crew's nine-day moon mission set a record for the farthest any human has ever traveled from Earth. Here's a look at the key moments.
Transportation Secretary Sean Duffy pointed out that gamers "have many of the hard skills it takes to be a successful controller."
President Trump said the U.S. Navy will begin blockading ships from entering or exiting the Strait of Hormuz and intercept vessels that have paid tolls to Iran.
Two U.S. congressman representing Colorado have found a way to transcend current division, distrust and dysfunction.
A progressive activist has filed a lawsuit in Denver District Court against two democratic state lawmakers who attended an expensive retreat with lobbyists.
Transportation Secretary Sean Duffy pointed out that gamers "have many of the hard skills it takes to be a successful controller."
Colorado is losing businesses and jobs at an alarming rate. Now, the ones who've stuck around are calling on state leaders to make changes before things get even worse.
The technology the Colorado father developed, called Delivery Date AI, analyzes standard ultrasound images to estimate when a baby is likely to arrive, rather than relying solely on a traditional due date based on a 40‑week pregnancy.
Some states already don't have enough staff to quickly process Medicaid applications and answer enrollees' phone calls. Researchers say they may not be prepared to handle new Medicaid work rules, predicting people will lose coverage as a result.
Two more drug-making giants, Abbvie and Genentech, will start selling popular medications on the White House's discounted pharmaceutical site as soon as Monday.
Behind some of the viral physiques lies a troubling trend: the use of a powerful drug never approved for humans.
The Environmental Protection Agency also added microplastics to its contaminant candidate list for the first time.
Inflation rose at an annual rate of 3.3% in March, driven by the sharpest monthly increase in gas prices since 1967.
The technology the Colorado father developed, called Delivery Date AI, analyzes standard ultrasound images to estimate when a baby is likely to arrive, rather than relying solely on a traditional due date based on a 40‑week pregnancy.
Colorado is losing businesses and jobs at an alarming rate. Now, the ones who've stuck around are calling on state leaders to make changes before things get even worse.
Few ships passed through the waterway Wednesday and Thursday despite a ceasefire agreement that was supposed to open the waterway key to transiting oil across the globe.
The average U.S. property tax bill rose 3.7% last year to $4,427, outpacing inflation even as the typical home lost value.
A single malfunctioning piece of new equipment triggered a recent, sweeping power outage at Denver International Airport — an incident that stranded passengers in elevators and delayed nearly 500 flights.
Anticipating a challenging summer wildfire season, forecasters with Colorado's Division of Fire Prevention and Control are preparing to rely heavily on a pair of state-owned aircraft-both to detect fires early and to assist in fighting them once they ignite.
CBS Colorado is investigating a trucking company involved in a crash at a gas station in the southern part of the Denver metro area last month.
A Denver jury has found activist Regan Benson, a frequent critic of police, guilty of "doxing" a Denver police commander during a livestream last September, in what appears to be the first conviction under Colorado's anti-doxing law.
Fire chiefs in two departments northwest of Denver, Westminster and Arvada, say gaps in emergency dispatch technology between neighboring departments can slow response times and, in some cases, limit how quickly help arrives.