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.
Police in Denver investigated a car crash early Tuesday morning, where investigators believe a vehicle crashed, causing massive damage.
Independent scientists say the technology, while impressive, lacks some components to be truly considered an artificial egg.
The Denver City Council unanimously voted to pass a moratorium to halt the construction of data centers for the next year after several hours of community testimony on Monday night.
Survivors say they'd asked for more medical support before the Iranian drone strike that killed six U.S. soldiers at their command post in Kuwait in the war's first 24 hours.
An uptick in people skipping Obamacare premium payments in many states suggests the Affordable Care Act's rising costs are hitting home for 2026 enrollees.
Police in Denver investigated a car crash early Tuesday morning, where investigators believe a vehicle crashed, causing massive damage.
The Denver City Council unanimously voted to pass a moratorium to halt the construction of data centers for the next year after several hours of community testimony on Monday night.
Denver police report over the last 5 years, on average 74 dogs are reported stolen in the city every year. One of the most recent cases they are now investigating involves a 6-year-old lab mix.
Aurora police have to follow new rules for posting on social media. The Aurora City Council passed a resolution on Monday night requiring the city manager to approve police posts.
A Colorado climber who survived a 40-foot fall near Wolcott last winter is now speaking publicly about it.
Communication 101: "Kids Style" is a Colorado-based program focused on helping kids build confidence, kindness, and real-life skills.
First Alert Weather Tracker follows the snow falling on Berthoud Pass in Colorado's mountains.
Watch Alex Lehnert's forecast
Denver police are investigating an early morning crash that sent a car into a fence, stop sign and finally a home.
The Denver City Council unanimously voted on Monday night to pass a moratorium to halt construction of data centers for the next year after several hours of community testimony.
Ronda Rousey used her signature armbar to stop Gina Carano just 17 seconds into a comeback bout between the two MMA fighters.
FIFA President Gianni Infantino joked that if someone does pay $2 million for a ticket to the World Cup final, "I will personally bring him a hot dog and a Coke."
The Preakness Stakes featured its biggest field in 15 years with 14 horses in the middle jewel of horse racing's Triple Crown.
The Broncos full NFL schedule is out and includes late-season rematches against Denver's 2025 playoff opponents.
The NHL announced that the Colorado Avalanche will be playing their first game of the Western Conference finals next Wednesday.
Independent scientists say the technology, while impressive, lacks some components to be truly considered an artificial egg.
Survivors say they'd asked for more medical support before the Iranian drone strike that killed six U.S. soldiers at their command post in Kuwait in the war's first 24 hours.
Iran executed more than twice as many people last year as it did in 2024, according to a new report by Amnesty International.
Thirty years ago, a Cuban fighter jet shot down two civilian planes operated by Florida-based exile group Brothers to the Rescue, an incident that inflamed U.S.-Cuba relations.
U.S. wage growth is lagging inflation for the first time since 2023, eroding consumers' purchasing power.
Survivors say they'd asked for more medical support before the Iranian drone strike that killed six U.S. soldiers at their command post in Kuwait in the war's first 24 hours.
An uptick in people skipping Obamacare premium payments in many states suggests the Affordable Care Act's rising costs are hitting home for 2026 enrollees.
Thirty years ago, a Cuban fighter jet shot down two civilian planes operated by Florida-based exile group Brothers to the Rescue, an incident that inflamed U.S.-Cuba relations.
Veronica Seabron's life changed forever when her son Jalin was shot and killed outside a Main Event in Highlands Ranch last year by a Douglas County Sheriff's deputy responding to a call about an active shooter.
The Trump administration announced it's restricting people who don't have U.S. passports from entering the country if they have been in Congo, South Sudan or Uganda amid the Ebola outbreak.
An uptick in people skipping Obamacare premium payments in many states suggests the Affordable Care Act's rising costs are hitting home for 2026 enrollees.
The virus behind the latest Ebola outbreak is the Bundibugyo virus, which is less common and there is no vaccine or treatment.
The Trump administration announced it's restricting people who don't have U.S. passports from entering the country if they have been in Congo, South Sudan or Uganda amid the Ebola outbreak.
A Colorado man in need of a kidney was saved by a movie fan. Now he's working to help others find donors through cinema.
On Friday, the Colorado Department of Public Health and Environment confirmed a fatal case of hantavirus in the state.
An uptick in people skipping Obamacare premium payments in many states suggests the Affordable Care Act's rising costs are hitting home for 2026 enrollees.
U.S. wage growth is lagging inflation for the first time since 2023, eroding consumers' purchasing power.
California jury dismissed all charges, finding that Musk missed the three-year statute of limitations to file suit.
After multiple surprise extensions and a few late season snowstorms, Colorado's long and difficult ski season has officially come to a close.
Gas prices, inflation weigh on Americans. Many see lack of clarity on what's happening in Iran.
A federal system is working to crack down on trucks skirting safety regulations, a problem inspectors are seeing on Colorado roadways.
Glendale city leaders are forcefully opposing Colorado's proposed Bus Rapid Transit project on Colorado Boulevard, warning the plan could dramatically worsen traffic for drivers while delivering only modest transit gains.
A jury in Douglas County awarded a New Jersey man $24 million after he sued a Parker police detective for malicious prosecution and false arrest.
A Denver County Court judge on Friday sentenced a vocal police critic to 60 days in jail and two years of probation, saying he needed to send a message that would deter her and her YouTube followers from future doxing of law enforcement.
City-funded contractors have been moving through Denver neighborhoods, replacing sections of sidewalks, frustrating some homeowners. The work was part of a broader program aimed at making city sidewalks more usable and accessible.