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.
This week's snowstorm in Rocky Mountain National Park has put the Memorial Day Weekend target date of opening for Trail Ridge Road up in the air.
What started as a garage fire spread to a house in unincorporated Arapahoe County on Tuesday night before it reignited early Wednesday.
As Colorado experiences drought conditions and spring rain, farmers in Boulder County say they're working harder than ever to plan and plant accordingly.
A CBS News medical correspondent and doctor says her "biggest concern for the World Cup is actually measles. It's not hantavirus, it is not Ebola."
The pictures represent the longest-distance ever seen between two pictures of the same humpback whale, researchers said.
This week's snowstorm in Rocky Mountain National Park has put the Memorial Day Weekend target date of opening for Trail Ridge Road up in the air.
What started as a garage fire spread to a house in unincorporated Arapahoe County on Tuesday night before it reignited early Wednesday.
As Colorado experiences drought conditions and spring rain, farmers in Boulder County say they're working harder than ever to plan and plant accordingly.
Highway 85 was closed in both directions in Commerce City on Wednesday morning due to a deadly crash involving five vehicles.
The southbound lanes of I-25 reopened Wednesday morning near Castle Rock after a crash.
Denver Mayor Mike Johnston talks about recent progress to address homelessness as it reaches a nine-year low.
Highway 85 was closed in both directions in Commerce City on Wednesday morning due to a deadly crash involving five vehicles.
Parts of Colorado's Front Range saw more rain in the last two weeks than the previous eight months combined, but a dry start to summer could still be ahead.
New video shows the moment staff and school security tackled a student who had a gun inside Overland High School.
The 2025-2026 Masterpiece Series Finale is The Sibelius Project performed by Boulder Chamber Orchestra. The unique performance blends classical music, film and storytelling.
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.
A CBS News medical correspondent and doctor says her "biggest concern for the World Cup is actually measles. It's not hantavirus, it is not Ebola."
The pictures represent the longest-distance ever seen between two pictures of the same humpback whale, researchers said.
The $1.776 billion fund, which is part of the agreement to settle Trump's lawsuit against the IRS and Treasury Dept., is to be used to compensate those who claim that the government weaponized the legal system against them.
WHO chief Tedros Adhanom Ghebreyesus says risks from the Ebola outbreak in Congo and Uganda are "high at the national and regional levels, and low at the global level."
The national average for a gallon of gasoline has been ticking up since the start of the war with Iran. The latest average of $4.50 a gallon is an increase of over $1.50 since the war started.
The $1.776 billion fund, which is part of the agreement to settle Trump's lawsuit against the IRS and Treasury Dept., is to be used to compensate those who claim that the government weaponized the legal system against them.
University of Colorado Regent Wanda James has filed a federal lawsuit challenging a censure issued by the Board of Regents after she criticized a public health campaign she said included racist imagery.
Investigators have been looking at a handful of Chinese firms that together control the majority of unrefrigerated shipping container manufacturing around the globe, the sources said.
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.
A CBS News medical correspondent and doctor says her "biggest concern for the World Cup is actually measles. It's not hantavirus, it is not Ebola."
WHO chief Tedros Adhanom Ghebreyesus says risks from the Ebola outbreak in Congo and Uganda are "high at the national and regional levels, and low at the global level."
Congress' decision not to extend enhanced marketplace tax credits has boosted the appeal of alternative health coverage with lower monthly premiums.
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.
An American medical missionary in the Democratic Republic of the Congo was evacuated after testing positive for Ebola.
Congress' decision not to extend enhanced marketplace tax credits has boosted the appeal of alternative health coverage with lower monthly premiums.
The national average for a gallon of gasoline has been ticking up since the start of the war with Iran. The latest average of $4.50 a gallon is an increase of over $1.50 since the war started.
Polymarket users can now trade on private companies' valuations, IPOs and secondary market activity.
Many Americans are signaling disapproval of the technology amid fears that it will eclipse already competitive entry-level jobs.
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.
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.