22% of butterflies in U.S. disappeared in 2 decades, study finds
A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between 2000 and 2020.
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A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between 2000 and 2020.
Astronomers believe thousands of large undiscovered asteroids, that could cause regional damage, may be in space.
2024 YR4 now has roughly a 0.004% chance of hitting Earth in about eight years, NASA said.
The asteroid was discovered in August and is set to become a mini-moon, spinning around Earth in a horseshoe shape for about two months.
The so-called super Earth — known as 55 Cancri e — is among the few rocky planets outside our solar system with a significant atmosphere.
Blue holes are considered an "oasis" for marine life — but the Taam Ja' Blue Hole off the coast of Mexico remains largely mysterious.
Cancer, heart disease, respiratory illnesses and kidney dysfunction among the health consequences of a warming planet.
A vast solar farm with over 621,000 panels shimmer like a mirage but with the capability to power close to 60,000 residential customers — or one very big stadium.
A new study says the collision with a proto-planet called Theia 4.5 billion years ago left remnants deep inside Earth — and also created the moon.
Jamie Maussan, a longtime UFO researcher, was joined in Mexico's Congress by a former U.S. Navy pilot, who later dismissed Maussan's "unsubstantiated stunt."
The space rock's anticipated trajectory places it at about half the distance to the moon, so people with telescopes may be able to see it from Earth.
One astronomer said he believes there's about a "1 in 400 chance" the asteroid could impact Earth.
A meteor fragment has been found in El Sauz, Texas on private property.
A mysterious object crashed into Texas this week, shaking neighborhoods near McAllen in the southern part of the state near its border with Mexico.
The astronomical phenomenon gave skywatchers a good view of Mercury, Venus, Mars, Jupiter and Saturn with the naked eye.
The "smallest and coolest stars in our solar neighborhood" could provide remarkable new information about the ability of a nearby exoplanet to sustain life.
The Florida-sized glacier could have a major impact on sea levels, and scientists say the rate at which it's melting could rapidly increase in the coming years.
Xcel Energy confirmed Saturday that it will implement power shutoffs in some areas of Colorado's Front Range due to the high winds and critical fire danger. Authorities are also planning highway and trail closures in some areas.
A dramatic weather shift is unfolding across Colorado this weekend, prompting First Alert Weather Days for both Saturday and Sunday.
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.
Leaders with the NAACP say, while they see some progress under Chamberlain, questions remain around accountability.
A dramatic weather shift is unfolding across Colorado this weekend, prompting First Alert Weather Days for both Saturday and Sunday.
Xcel Energy confirmed Saturday that it will implement power shutoffs in some areas of Colorado's Front Range due to the high winds and critical fire danger. Authorities are also planning highway and trail closures in some areas.
Leaders with the NAACP say, while they see some progress under Chamberlain, questions remain around accountability.
A tow truck driver in Colorado says he is facing consequences after refusing to tow vehicles connected to an immigration enforcement operation in Eagle County in January.
CBS News Colorado's new documentary, "Making Ends Meet," follows hard-working Colorado families facing financial hurdles that defy easy solutions.
Watch meteorologist Callie Zanandrie's forecast.
Leaders with the NAACP say, while they see some progress under Chamberlain, questions remain around accountability.
Colorado Parks and Wildlife has confirmed the death of a gray wolf from the King Mountain Pack earlier this week.
The Department of Education says Colorado’s second largest school district is violating Title IX by allowing transgender students access to sports teams, bathrooms and overnight accommodations that match their gender identity.
Coloradans are getting ready for round two of hurricane force winds. Xcel Energy says it could shut off sections of the grid when those winds kick up again on Saturday. Boulder County will close trails across the region on Saturday due to the high fire danger.
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.
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.
GDP grew at a sluggish 0.7% pace in the final months of 2025 as the government shutdown hurt economic activity.
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.
Two Democratic lawmakers are proposing tax reforms that would eliminate federal income taxes for millions of Americans.
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.