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.
The City of Denver wants to bring the first-ever full-service restaurant to Civic Center Park.
Three Colorado residents are currently serving prison sentences following a 16-year-old girl's drug overdose.
The Denver Police Department is warning residents to be aware of a scam in which suspects call, claiming to be from the victim's bank.
Team USA defended its Olympic figure skating team event gold medal on Sunday after Ilia "Quad God" ushered the team to victory at the Milan Cortina 2026 Winter Olympics.
Republicans and Democrats in Congress are locked in a standoff over reforming the nation's immigration enforcement operation as a deadline to reach a resolution and fund the Department of Homeland Security approaches.
The City of Denver wants to bring the first-ever full-service restaurant to Civic Center Park.
Three Colorado residents are currently serving prison sentences following a 16-year-old girl's drug overdose.
The Denver Police Department is warning residents to be aware of a scam in which suspects call, claiming to be from the victim's bank.
An early morning collision between a train and a car in Brighton sent one person to the hospital and now police are investigating whether the driver of the car was drunk at the time he stopped on the tracks.
A 14-year-old boy is dead and now the Colorado Bureau of Investigation has issued an alert looking for the driver of a black BMW sedan who police say struck the teen while he was riding his bicycle in Thornton.
Denver Mayor Mike Johnston boasted a 45% reduction in street homelessness since 2023, but overall homelessness — sheltered and unsheltered — is still on the rise, local nonprofits say.
The events put servicemembers from all branches into military-style exercises and games — all while wearing ski boots.
The fire destroyed Rocky Mountain Roosters, and while the owners work to rebuild, they're thanking firefighters for rescuing about 30 dogs and preventing the fire from spreading.
The fire was small, but sparked in a park Saturday night after multiple people reported the sounds of fireworks.
A 14-year-old boy is dead and now the Colorado Bureau of Investigation has issued an alert looking for the driver of a black BMW sedan who police say struck the teen while he was riding his bicycle in Thornton.
Team USA defended its Olympic figure skating team event gold medal on Sunday after Ilia "Quad God" ushered the team to victory at the Milan Cortina 2026 Winter Olympics.
President Trump criticized Team USA freestyle skier Hunter Hess after he and other American athletes at the 2026 Winter Olympics shared their thoughts on U.S. politics.
Breezy Johnson took the lead early on after flying down the mountain in 1:36.10. It is her first-ever Olympic medal.
Lindsey Vonn, who came out of retirement to compete in the Milano Cortina Games, is in stable condition after her crash.
Here's how much Bad Bunny is expected to earn from his halftime performance at Super Bowl LX.
Team USA defended its Olympic figure skating team event gold medal on Sunday after Ilia "Quad God" ushered the team to victory at the Milan Cortina 2026 Winter Olympics.
Republicans and Democrats in Congress are locked in a standoff over reforming the nation's immigration enforcement operation as a deadline to reach a resolution and fund the Department of Homeland Security approaches.
A whistleblower complaint includes highly-classified details about a National Security Agency intercept of a call between two foreign nationals who discussed a person close to President Trump, two sources said.
President Trump criticized Team USA freestyle skier Hunter Hess after he and other American athletes at the 2026 Winter Olympics shared their thoughts on U.S. politics.
Breezy Johnson took the lead early on after flying down the mountain in 1:36.10. It is her first-ever Olympic medal.
Republicans and Democrats in Congress are locked in a standoff over reforming the nation's immigration enforcement operation as a deadline to reach a resolution and fund the Department of Homeland Security approaches.
A whistleblower complaint includes highly-classified details about a National Security Agency intercept of a call between two foreign nationals who discussed a person close to President Trump, two sources said.
President Trump criticized Team USA freestyle skier Hunter Hess after he and other American athletes at the 2026 Winter Olympics shared their thoughts on U.S. politics.
Nexstar's acquisition of Tegna would bring together two companies with significant holdings in local broadcast media.
Skier Chris Lillis said he was "heartbroken about what's happened in the United States," while skater Amber Glenn said she "will not just be quiet."
Colorado health officials have issued a safety notice over batches of marijuana contaminated with yeast and mold sold in 31 stores across the state over the past two-and-a-half months.
Becca Valle, then 37, enrolled in a cutting-edge clinical trial after surgery removed an aggressive tumor from her brain.
The Trump administration launched its new TrumpRx direct-to-consumer prescription drug listing site late Thursday, part of a push to offer medication at steep discounts.
On Colorado's Eastern Plains, danger can strike faster than help can reach you. For one rancher in Sterling, a simple chore in his land turned into the fight of his life.
People who call 911 in Aurora for non-emergency medical issues now have the option to be connected to a doctor virtually instead of having an ambulance sent to their location.
Here's how much Bad Bunny is expected to earn from his halftime performance at Super Bowl LX.
Colorado health officials have issued a safety notice over batches of marijuana contaminated with yeast and mold sold in 31 stores across the state over the past two-and-a-half months.
Design plans for the community include walking trails, play areas, community gardens, and indoor gathering spaces. The property sits next to Expo Park and a city recreation center, the Highline Canal Trail, and transit access.
Nexstar's acquisition of Tegna would bring together two companies with significant holdings in local broadcast media.
Though the commerce secretary has called his interactions with Epstein as "limited," the two were in business together four years after Epstein's 2008 guilty plea.
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.
Colorado parents are raising concerns after a dispute between their school district and its water provider put the school's future firefighting water supply in question.
An Arapahoe County judge ordered Aurora resident Daniel Alexander Ashby to stand trial for felony assault, after witnesses say Ashby body-slammed defense lawyer H. Michael Steinberg in a courthouse hallway last December.
Newly released documents from the Lakeside Police Department say former Sgt. Howard Prince admitted to cheating on his time records, but also said that in an interview, the sergeant said he didn't know why he falsified his time sheets.