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.
A car went through the wall of a home in Douglas County in a crash that remains under investigation.
Federal workers have taken the first steps in a $32 million maintenance of the Blue Mesa Dam, the largest of three dams that were built in the 1960s to create Colorado's biggest reservoir.
Aurora Parks Recreation and Open Space thinks getting girls into sports will strengthen the community.
Ruben Ray Martinez was fatally shot in South Padre Island, Texas, in March 2025. ICE's involvement in the shooting was not disclosed until more than 11 months after the shooting.
More than 50 people, many hauling heavy packs, pointed their skis uphill and trudged a mile in a gently falling snow Wednesday night in honor of a Colorado-trained military unit that scored an improbable but significant victory in World War II.
A car went through the wall of a home in Douglas County in a crash that remains under investigation.
Federal workers have taken the first steps in a $32 million maintenance of the Blue Mesa Dam, the largest of three dams that were built in the 1960s to create Colorado's biggest reservoir.
Aurora Parks Recreation and Open Space thinks getting girls into sports will strengthen the community.
More than 50 people, many hauling heavy packs, pointed their skis uphill and trudged a mile in a gently falling snow Wednesday night in honor of a Colorado-trained military unit that scored an improbable but significant victory in World War II.
A business owner says she's been operating at a loss for some time due to these tariffs, while an advocate for business development says the tariffs helped the local economy by driving more international companies to the state.
Joe Ruch is tracking record heat across Colorado.
For Denver Nuggets public address announcer Kyle Speller, the microphone is only one part of his mission.
Aurora Parks Recreation and Open Space thinks getting girls into sports will strengthen the community.
Watch meteorologist Callie Zanandrie's forecast.
The Colorado State Patrol is looking for a driver after a crash in Clear Creek County.
For Denver Nuggets public address announcer Kyle Speller, the microphone is only one part of his mission.
Mormon, Kenneth and Ethan Jordan -- two brothers and a cousin -- are all competing at the CHSAA state wrestling championships.
On Dec. 6, the wrestling season for the Central High School Warriors came to a screeching halt when a speeding driver collided with the western Colorado team's bus.
The U.S. and Canada men's hockey teams are moving on to the semifinals at the Winter Olympics.
Mikaela Shiffrin, the most decorated skier of all time, last won a medal at the 2018 Winter Olympics in PyeongChang.
Ruben Ray Martinez was fatally shot in South Padre Island, Texas, in March 2025. ICE's involvement in the shooting was not disclosed until more than 11 months after the shooting.
All nine avalanche victims have been recovered from California's Sierra Nevada, Nevada County Sheriff Shannan Moon said Saturday at a news conference.
The Artemis II mission aims to send four astronauts — Reid Wiseman, Victor Glover, Christina Koch and Canadian astronaut Jeremy Hansen — on a flight around the far side of the moon and back.
A successful fueling test prompts NASA to press ahead toward a March 6 moonshot.
The Supreme Court divided 6-3 in finding that a federal law known as IEEPA does not authorize the president to impose tariffs.
Ruben Ray Martinez was fatally shot in South Padre Island, Texas, in March 2025. ICE's involvement in the shooting was not disclosed until more than 11 months after the shooting.
On Friday, President Trump signed a proclamation that would impose 10% tariffs on most foreign imports to the United States.
Colorado lawmakers are getting ready to debate a bill limiting how and when police can use drones and license plate readers like Flock.
The Supreme Court divided 6-3 in finding that a federal law known as IEEPA does not authorize the president to impose tariffs.
From headphones that can tell the age of your brain to a headband that can help rewire your brain, consumer neurotechnology devices are unraveling the mysteries of the mind
From headphones that can tell the age of your brain to a headband that can help rewire your brain, consumer neurotechnology devices are unraveling the mysteries of the mind
A Clear Creek County woman is relearning CPR weeks after she says the technique saved her life.
Critics have questioned why the federal government should underwrite coverage costs for people with ACA health plans — but almost all health insurance in the U.S. comes with some federal help.
The Centers for Disease Control and Prevention hasn't had a Senate confirmed director since last summer, and that official was in the job for less than a month.
Rosabella-brand moringa capsules could be linked to Salmonella cases in seven U.S. states, health officials said.
A business owner says she's been operating at a loss for some time due to these tariffs, while an advocate for business development says the tariffs helped the local economy by driving more international companies to the state.
The businesses in an industrial park on the outer edge of Fort Collins are banding together and expressing their frustrations about recent power shutoffs by Xcel Energy.
The Supreme Court on Friday ruled President Trump does not have the authority to unilaterally impose sweeping tariffs under a federal emergency powers law.
Parts of Evergreen's El Rancho restaurant will be preserved in a move to a new location, as a new filling station and convenience store moves ahead on the site.
The racetrack Bandimere Speedway is one step closer to approval of their plan for a new home in Weld County.
A popular youth hockey coach in southern Colorado has been arrested for investigation of felony child abuse after colliding on the ice with one of his players in a case that one of the coach's supporters called a "terrifying precedent for youth sports across the country."
A Denver judge this week ordered an area pastor, Tilo Lopez, to pay a family $311,000 in restitution after Lopez was criminally prosecuted in connection with a construction project he said he would do for the family.
The filing comes months after a judge ordered the company to pay more than $116 million for its role in the 2021 death of 6-year-old Wongel Estifanos.
Denver drivers continue to be impacted by a change in how parking tickets are disputed. That system changed in September, when the city eliminated the ability to dispute parking tickets online.
Former Denver Police Chief Paul Pazen, who retired as chief in 2022, plans to announce next week that he is running for a seat on Denver City Council.