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 council shared their desire to be proactive and asked residents to voluntarily limit water use where they can as the dry conditions continue. This also comes as North Metro Fire Rescue put a level 2 burn ban into effect.
At a coffee shop in Aurora, a group of people gathered Sunday evening to talk about artificial intelligence and the potential dangers the technology poses.
After setting social media abuzz by saying aliens were real, former President Barack Obama said he didn't see evidence that aliens "have made contact with us."
U.S. military forces boarded another sanctioned tanker in the Indian Ocean after tracking the vessel from the Caribbean Sea in an effort to target illicit oil connected to Venezuela, the Pentagon says.
Most retail and food establishments will remain open, but services like mail delivery will be suspended for the federal holiday.
The city council shared their desire to be proactive and asked residents to voluntarily limit water use where they can as the dry conditions continue. This also comes as North Metro Fire Rescue put a level 2 burn ban into effect.
At a coffee shop in Aurora, a group of people gathered Sunday evening to talk about artificial intelligence and the potential dangers the technology poses.
Colorado will be blasted with the threat of fire and ice this week as a major Winter storm takes aim on the Rockies.
The Aspen Fire Department now has a new drone strike team to help combat wildfires.
Police are searching for the person responsible for a hit-and-run that killed a toddler in the Town of Erie.
Watch Alex Lehnert's forecast
A group met at a town hall in Aurora on Sunday to discuss license plate readers and how artificial intelligence is being used with that technology.
Erie police are investigating three serious crashes this week, two of which were fatal. All three took place between Friday night and Sunday evening.
Conditions this week have prompted the City of Broomfield a level 2 fire ban, meaning no burning is allowed.
Multiple fire departments worked for hours to put out a fire that broke out in the community of Silver Plume on Sunday afternoon.
Mikaela Shiffrin, who is the winningest athlete on the World Cup circuit, has now failed to win a medal in eight straight Olympic events since the 2018 Winter Games in PyeongChang.
The U.S. kept pace with also-unbeaten Canada for the top seed in the Olympic men's hockey tournament.
It is Jordan Stolz's second gold medal of the 2026 Winter Games, breaking a world record.
The U.S. women's curling team was surprised to learn that their defeat of Canada marked an Olympic first.
Kendall Coyne Schofield scored twice and top-seeded United States routed Olympic host Italy 6-0 in a lopsided, festive and sometimes chippy women's hockey quarterfinal at the Milan Cortina Games.
U.S. military forces boarded another sanctioned tanker in the Indian Ocean after tracking the vessel from the Caribbean Sea in an effort to target illicit oil connected to Venezuela, the Pentagon says.
Most retail and food establishments will remain open, but services like mail delivery will be suspended for the federal holiday.
Mikaela Shiffrin, who is the winningest athlete on the World Cup circuit, has now failed to win a medal in eight straight Olympic events since the 2018 Winter Games in PyeongChang.
Casey Wasserman, the chair of the 2028 Los Angeles Olympics organizing committee, says he is selling his eponymous talent agency in the wake of the release of emails between himself and Ghislaine Maxwell.
The U.S. kept pace with also-unbeaten Canada for the top seed in the Olympic men's hockey tournament.
At a coffee shop in Aurora, a group of people gathered Sunday evening to talk about artificial intelligence and the potential dangers the technology poses.
After setting social media abuzz by saying aliens were real, former President Barack Obama said he didn't see evidence that aliens "have made contact with us."
Casey Wasserman, the chair of the 2028 Los Angeles Olympics organizing committee, says he is selling his eponymous talent agency in the wake of the release of emails between himself and Ghislaine Maxwell.
On Saturday, the office of Denver Mayor Mike Johnston announced that the city is accepting bids for license plate reader services.
Tom Barrack, a top U.S. diplomat and longtime friend of President Trump, networked and socialized with Epstein for years, CBS News found.
The AdventHealth Transplant Institute at Porter is participating in a national voucher system that allows living donors to give a kidney now and help a loved one receive one later.
The University of Colorado Cancer Center at CU Anschutz has been selected by the National Cancer Institute as one of just eight hubs nationwide to evaluate new multi‑cancer detection blood tests, part of a national pilot called the Vanguard Study.
Lydia Howerton of Good Eaters showed how easy it is to bake her gluten-free zucchini brownies.
In Colorado, it's not yet clear exactly how much funding will be cut for public health services, but organizations like the Colorado Health Network are bracing for impact.
The Food and Drug Administration is refusing to consider Moderna's application for a new flu vaccine made with mRNA technology, the company said.
At a coffee shop in Aurora, a group of people gathered Sunday evening to talk about artificial intelligence and the potential dangers the technology poses.
Most retail and food establishments will remain open, but services like mail delivery will be suspended for the federal holiday.
Prediction markets are taking bets this Valentine's Day that celebrity relationships can thrive — or break apart.
As construction on the East Colfax Bus Rapid Transit project moves closer to Aurora, business owners and neighbors along the corridor say they are bracing for short-term disruption while holding onto hope for long-term revival.
Amazon's Ring unit touted a "search party" service in its Super Bowl ad, but one critic called the app a "surveillance nightmare."
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.
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.