World's largest acidic geyser erupts in Yellowstone after years of silence
Echinus Geyser is about 66 feet wide and is surrounded by rocks that resemble sea urchins.
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Echinus Geyser is about 66 feet wide and is surrounded by rocks that resemble sea urchins.
Standing for more than a century, Old Faithful Inn "has the distinction of being considered a benchmark of national park architecture."
The bear was killed by park staff in Yellowstone last week because it posed a risk to public safety, the park said in a news release.
The hydrothermal explosion happened in Yellowstone National Park's Biscuit Basin just before 10 a.m. local time on Tuesday, July 23.
While the explosion was considered small, it unleashed "a massive amount of rocks and dirt" that shattered a fence and killed nearby trees.
The hydrothermal explosion at Yellowstone took place near Biscuit Basin's Sapphire Pool on Tuesday morning, erupting boiling water and steam into the air, officials said.
A 72-year-old man killed a grizzly bear in Flathead County, Montana after it attacked him while he was out picking berries.
Five people were driving Thursday morning near a semi-centennial geyser thermal pool when it went off the road.
A person with a gun who authorities said was making threats in Yellowstone National Park died after a shootout with park rangers, officials said in a statement.
A huge section of the Wyoming mountain highway Teton Pass collapsed in a landslide Saturday. Officials said it will be closed indefinitely.
An 83-year-old South Carolina woman suffered serious injuries when a bison in Yellowstone National Park lifted her about a foot in the air with its horns.
This marks the first confirmed case of chronic wasting disease in Yellowstone National Park, officials said.
Officials ruled out a rare predatory attack, which suggests the marathon runner died following a chance bear encounter while likely running or walking.
Bison are unpredictable and can run three times faster than humans. They can be dangerous when approached, according to the National Park Service.
"Some actions by visitors have led to the endangerment of people and wildlife and resulted in the death of wildlife," the park said.
Law enforcement at the park have opened an investigation into the incident.
A grizzly bear that appeared to have been killed was found near Yellowstone National Park, prompting an investigation from state and federal officials.
Yellowstone visitors have been cautioned to "be especially alert" as bears that emerge from hibernation can be particularly aggressive in their search for food.
No other remains were found after a search of Abyss Pool but investigators noted apparent "fatty tissues" floating in the 140-degree Fahrenheit pool.
The animals' eyes don't reflect light like deer do, contributing to the difficulty in seeing them on the road, officials said.
Limiting global warming to 1.5 degrees Celsius is the only way to save the remaining glaciers, but last week the U.N. warned there's "no credible pathway" for that to happen.
A bison gored a Colorado man in Yellowstone National Park.
Most of Yellowstone National Park should re-open within the next two weeks — much faster than originally expected after record floods pounded the Yellowstone region last week and knocked out major roads, federal officials said Sunday.
Denver could see four consecutive days of record-breaking warmth from Thursday through Sunday.
A bill to help law enforcement investigate social media accounts received initial approval in the House on Friday.
City of Boulder Open Space and Mountain Parks rangers spent their afternoon turning people away from the trails at Chautauqua Park due to the extreme risk of wildfires.
A man and a woman allegedly begging for money to fund their cross-country travels in a stolen car were arrested this week in Colorado.
Colorado Parks and Wildlife said one person was hospitalized and another killed after a boat capsized on Lake Pueblo.
A dramatic weather shift is unfolding across Colorado this weekend, prompting First Alert Weather Days for both Saturday and Sunday.
Denver could see four consecutive days of record-breaking warmth from Thursday through Sunday.
A bill to help law enforcement investigate social media accounts received initial approval in the House on Friday.
City of Boulder Open Space and Mountain Parks rangers spent their afternoon turning people away from the trails at Chautauqua Park due to the extreme risk of wildfires.
CBS News Colorado's new documentary, "Making Ends Meet," follows hard-working Colorado families facing financial hurdles that defy easy solutions.
Girls & Science is CBS Colorado's commitment to introducing girls to STEM careers. We teamed up with CSU Spur for the 2nd Saturday at the Spur event at the National Western Complex Campus on Saturday, where girls had the chance to learn about careers in medicine, music, meteorology and more.
Joe Ruch is tracking rain, snow, wind, cold temperatures, and a historic heat wave in Colorado.
On Saturday, the community had the opportunity to weigh in on Denver's plans for Burnham Yard, the area identified as the preferred site for a new Broncos' stadium.
City of Boulder Open Space and Mountain Parks rangers spent their afternoon turning people away from the trails at Chautauqua Park due to the extreme risk of wildfires.
Two crews of firefighters from the Denver metro area left Friday to help with containment efforts on a large wildfire in South Dakota.
As the Colorado Avalanche took to the ice for their morning skate at Ball Arena on Tuesday, 17-year-old Sabrina Cassano stood along the glass smiling ear to ear.
Nathan MacKinnon scored his NHL-leading 43rd goal and scored the winning goal in a shootout, lifting the Colorado Avalanche to a 3-2 victory over the Minnesota Wild on Sunday in a matchup between two of the NHL's top four teams in points.
Iran's women's soccer team was branded "traitors" after declining to sing their national anthem at the Asian Cup in Australia, fueling fear for the women if they returned home.
Oksana Masters has competed at every Paralympics since 2012 and is the most decorated American Winter Paralympian.
A Denver-based UFC fighter will be representing Colorado in the octagon this Saturday night in Las Vegas.
Federal Communications Commission Chair Brendan Carr did not name specific networks, but his post included a reference to a Saturday morning Truth Social post from the president.
TSA officers faced their first full missed paycheck Friday.
A federal judge has quashed a pair of grand jury subpoenas sent to the Federal Reserve Board as part of a criminal probe by U.S. Attorney Jeanine Pirro's office.
Two Democratic lawmakers are proposing tax reforms that would eliminate federal income taxes for millions of Americans.
Parts defect affecting Highlander and Highlander Hybrid vehicles can increase the risk of injury, according to a safety notice. Here's what to know.
Federal Communications Commission Chair Brendan Carr did not name specific networks, but his post included a reference to a Saturday morning Truth Social post from the president.
TSA officers faced their first full missed paycheck Friday.
With oil markets paralyzed by the U.S.-Iran war, the Trump administration says it could escort ships through the Strait of Hormuz — a massive undertaking that experts say could already be in the preparatory stages.
Democratic lawmakers are raising concerns about the extended use of holding cells in Immigration and Customs Enforcement suboffices across the state, but the Department of Homeland Security maintains that they serve as temporary holding areas, similar to other law enforcement offices.
A federal judge has quashed a pair of grand jury subpoenas sent to the Federal Reserve Board as part of a criminal probe by U.S. Attorney Jeanine Pirro's office.
Even people with six-figure incomes are making financial sacrifices to pay for medical care, a new study finds.
Colorado health officials have identified two additional cases of measles, bringing the total number to nine in the Broomfield outbreak.
Crystalline silica, which is released into the air when workers cut and polish engineered stone for kitchen countertops, can scar human lungs beyond repair.
A measles outbreak tied to local schools has some parents in the Broomfield community weighing difficult decisions about everyday activities, especially those with infants too young to be vaccinated.
Dentists, hygienists, and researchers say a shortage of rural dental care professionals and worsening oral hygiene since the COVID-19 pandemic mean more kids are ending up in the emergency room for tooth decay.
With oil markets paralyzed by the U.S.-Iran war, the Trump administration says it could escort ships through the Strait of Hormuz — a massive undertaking that experts say could already be in the preparatory stages.
Two Democratic lawmakers are proposing tax reforms that would eliminate federal income taxes for millions of Americans.
Parts defect affecting Highlander and Highlander Hybrid vehicles can increase the risk of injury, according to a safety notice. Here's what to know.
GDP grew at a sluggish 0.7% pace in the final months of 2025 as the government shutdown hurt economic activity.
The Trump administration has launched investigations into dozens of countries accused of failing to crack down on forced labor, flexing a law that lets the federal government impose tariffs.
Prosecutors in El Paso County have decided not to pursue criminal charges against a youth hockey coach in southern Colorado, saying there is insufficient evidence to prosecute him.
Law enforcement authorities in Arizona have arrested and jailed a former Colorado resident, Keith Carl Jones, on sex-related charges, 30 years after he was connected to the unsolved disappearance of a Castle Rock woman.
There's harsh criticism of a Colorado police officer charged with failing to report a crash -- a crash investigators say he was partially responsible for while off-duty. Some of the strongest criticism is coming from an unexpected place.
A CBS Colorado investigation has learned the City of Denver has spent $110,000 on a 14-month investigation of Denver Police Division Chief Magen Dodge, but is refusing to release the completed investigation, which was finalized three months ago.
A Colorado family is calling for change and sharing their struggle after a clinical trial their son relied on suddenly ended.