Interstellar comet may be oldest object ever seen in solar system
Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.
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Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.
The new species, named Microeledone galapagensis, has a blue hue, which is believed to be the rarest color in nature.
The Trump administration has fired all 22 current members of an independent board that oversees the National Science Foundation, one dismissed member says.
A new study in the journal Nature says most sea level rise research may have underestimated coastal water heights by an average of 1 foot.
The Trump administration intends to dismantle one of the world's leading climate research institutions, in Boulder, Colorado, over what it said were concerns about "climate alarmism."
NASA has lost contact with a spacecraft that's been orbiting Mars for more than a decade.
A telescope in Chile has captured a stunning new image of the Butterfly Nebula, a grand and graceful cosmic wonder.
The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.
James D. Watson, who helped discover the structure of DNA, has died at 97 years old.
Neil deGrasse Tyson explains why, despite believing life likely exists elsewhere, he's still waiting for real proof.
One of 2025's three Nobel Prize in Physics winners says the trio's work is "one of the underlying reasons that cellphones work.''
The first supermoon of 2025 will arrive soon. Here's what to know about the phenomenon.
Government scientists say infection rates from drug-resistant "nightmare bacteria" have been increasing dramatically.
Scientists have discovered prehistoric insects preserved in amber in South America for the first time.
The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather, NASA said.
Scientists have identified the origins of the blue color in one of Jackson Pollock's paintings with a little help from chemistry.
Humans beat AI programs made by Google and OpenAI at an international mathematics competition, but the technology shows some "very exciting" progress.
Researchers were able to date the fossil of the flying reptile, a close cousin of dinosaurs, back to more than 209 million years ago.
NASA has discovered 3I/ATLAS, an interstellar comet that's wandered into our backyard.
Researchers conducted the first systematic review of policies around the U.S. to limit plastic bag use.
The universe is poised to die much faster than previously thought, according to new research by Dutch scientists.
The Hubble Space Telescope "opened a new window to the universe" when it launched into space. Now, 35 years later, NASA is releasing some stunning images to celebrate.
This asteroid is bigger than scientists anticipated, about 5 miles long and 2 miles wide at its widest point — resembling a deformed peanut.
Thanks to a mouse watching clips from "The Matrix," scientists have created the largest functional map of a brain to date.
Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an inferior conjunction.
The Front Range Passenger Rail District is rallying support from the cities where the future rail line will operate.
A government contractor announced Monday it has entered into a five-year agreement with Immigration and Customs Enforcement to open a new federal immigration processing center northeast of Denver in Hudson.
The Adams County Health Department is investigating after it says a case of active tuberculosis was confirmed at the Immigration and Customs Enforcement Processing Center in Aurora.
Construction crews are transforming Windsor Middle School as Weld RE-4 School District works to keep up with continued population growth in Northern Colorado.
The Elk Fire in western Colorado has grown to approximately 488 acres and remains 0% contained. Due to the fire's growth, authorities have issued a pre-evacuation notice for residents in Hinsdale and Gunnison Counties.
The Front Range Passenger Rail District is rallying support from the cities where the future rail line will operate.
A government contractor announced Monday it has entered into a five-year agreement with Immigration and Customs Enforcement to open a new federal immigration processing center northeast of Denver in Hudson.
The Adams County Health Department is investigating after it says a case of active tuberculosis was confirmed at the Immigration and Customs Enforcement Processing Center in Aurora.
Construction crews are transforming Windsor Middle School as Weld RE-4 School District works to keep up with continued population growth in Northern Colorado.
The Elk Fire in western Colorado has grown to approximately 488 acres and remains 0% contained. Due to the fire's growth, authorities have issued a pre-evacuation notice for residents in Hinsdale and Gunnison Counties.
The Front Range Passenger Rail District is rallying support from the cities where the future rail line will operate.
Analyst Cory Sullivan sat down with CBS Colorado's Romi Bean to share what he expects to see in the second half of the season, and his hopes for the team's future.
On Monday, Film on the Rocks at the Red Rocks Amphitheatre will feature Little Miss Sunshine, a film that has ties to the Sundance Film Festival.
A government contractor announced Monday it has a five year agreement with Immigration and Customs Enforcement to open a new federal immigration processing center northeast of Denver in Hudson. The facility will be located in a former prison complex that has sat empty since 2014.
The Adams County Health Department is investigating after it says a case of active tuberculosis was confirmed at the Immigration and Customs Enforcement Processing Center in Aurora.
Jayden Adams' death was confirmed by South Africa's minister of sport, arts and culture on Saturday.
If you're around Colorado youth baseball this summer, there's a good chance that you'll see, and likely hear, Bob McCaslin calling games.
One look and listen to Dillon Stewart's swing and you can tell he can sent it.
Belgium defeated the U.S. Men's National Team 4-1 on Monday night in the World Cup round of 16 knockout match in Seattle, ending the Americans' hopes of reaching the quarterfinals for the first time in 24 years.
Balogun's reinstatement came after President Trump called FIFA President Gianni Infantino last week and asked for a review of the red card suspension.
The suit poses a new challenge to the $110 billion deal that would unite two of the nation's largest media companies.
Congress is returning to Washington with limited time to address a number of priorities ahead of a lengthy August recess and the sprint to the midterm elections.
Maine Sen. Angus King said he told Homeland Security Secretary Markwayne Mullin that he wanted a transparent investigation into the shooting in Biddeford.
A 65-year-old man was thrown 8 feet into the air by a bison that charged at him in Yellowstone National Park, video shows.
President Trump says the U.S. will "probably run" the Strait of Hormuz, as dueling attacks with Iran continue over control of the strategic waterway.
Congress is returning to Washington with limited time to address a number of priorities ahead of a lengthy August recess and the sprint to the midterm elections.
Sen. Mitch McConnell released a statement on his health on Sunday along with a photo of himself and his wife, Elaine Chao, after questions swirled about his condition.
Sen. Lindsey Graham was running for reelection in November when he died suddenly on Saturday.
President Trump paid tribute to the late senator Lindsey Graham, a Republican from South Carolina, who had just returned from a trip to Ukraine.
The subpoenas were issued after the New York Times reported on alleged security concerns with the new Qatari-gifted Air Force One.
A Finnish study followed patients for 10 years after they had a popular knee surgery. For many, the pain continued or even worsened.
As health officials investigate a growing multistate cyclospora outbreak, Colorado public health leaders say there is no evidence of an increased risk from produce sold in Colorado.
Researchers are getting a better idea of the ills caused by wildfire smoke as the West becomes the location of larger and more severe fires.
The FDA is urging parents and caregivers to immediately stop using a Nara Organics-brand formula after several infants contracted botulism.
Wildfire smoke drifting through Colorado has pushed the Front Range and Northern Colorado into some of the worst air quality conditions in the United States, prompting health experts to warn residents, especially those with underlying respiratory conditions, to take precautions.
The suit poses a new challenge to the $110 billion deal that would unite two of the nation's largest media companies.
Colorado-based Arrow Electronics is one of the largest companies you've probably never heard of.
At the Black Arts Festival being held in City Park, people were doing everything they could to stay cool.
President Trump said Friday he won't sign the law, but a U.S. official said he isn't expected to veto it either.
The former CFO of The Epoch Times, a conservative multinational media company, interrupted jury selection at his money laundering trial to plead guilty to a conspiracy charge in a $67 million fraud scheme.
Memorials are being held in the hometowns of three wildland firefighters who died while battling a fire on the Colorado-Utah border. Meanwhile, the circumstances surrounding their deaths are still under investigation.
Concerns are emerging about a company formerly known as COE Bikes, which continues advertising free e-bikes and is now drawing scrutiny from state agencies.
The City of Denver is giving itself stronger enforcement tools to hold owners of neglected and derelict properties accountable, including significantly larger fines for those who fail to comply with city orders.
A Colorado administrative law judge has upheld the demotion of a former Colorado Department of Corrections manager who admitted participating in years of inappropriate text message exchanges with other prison leaders.
A man who stayed at a downtown Denver hotel last summer says he woke up to bats flying around his room — and that one of them bit him. He has now filed a lawsuit against the hotel.