Scientists say they've solved debate about origins of mysterious dinosaur
The discovery "rewrites decades of research on Earth's most famous predator," the study's co-author said.
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The discovery "rewrites decades of research on Earth's most famous predator," the study's co-author said.
Apex predators, like the Tyrannosaurus rex, eventually arose from smaller-bodied tyrannosauroid dinosaurs called Khankhuuluu mongoliensis, the study's researchers said.
The researchers determined it predated T. rex by up to 7 million years, showing that tyrannosaurs were in North America long before paleontologists previously thought.
The 200-pound skull fossil, nicknamed Maximus, is being sold by an owner who wishes to remain anonymous, the auction house said.
Rare prehistoric dinosaur footprints discovered in the UK have shed new light on the middle Jurassic period, according to a new report.
The rare Triceratops fossil found at a construction site in Thornton has a name: Tiny. Students at Brantner Elementary School named the 66-million-year old dinosaur.
It was nearing the end of summer when a construction site inspector noticed something out of the corner of his eye no bigger than a quarter that turned out to be something much bigger.
Even more dinosaur bones have surfaced at the dig for Triceratops in Thornton. This is the latest in a series of fossil discoveries at the site in the past month.
More Triceratops fossils were found Monday at the site of the big triceratops discovery last month in Thornton.
The digging continues at the site of the big triceratops discovery in Thornton, and this week evidence of another dinosaur was found.
The Denver Broncos promised there would be a few tricks and treats at Sunday's home game at the Chargers, and one of the best of those came from a cheerleader.
Dinosaur Ridge in Morrison have uncovered more mysteries about dinosaurs, particularly how they mate.
The Colorado Avalanche have acquired forward Nicolas Roy in a trade with the Toronto Maple Leafs.
A cold front will slide in overnight and bring cooler air and snow. Expect a slick morning commute in the Denver metro area and a snowy afternoon on Friday.
The Colorado Avalanche Information Center is warning backcountry travelers to watch for weak spots in the snowpack as new snow moves into the mountains late Thursday.
A semi truck went off eastbound I-70 at mile marker 237 in Colorado on Thursday.
The announcement comes amid criticism of DHS spending under Noem, and as Congress has allowed the department's funding to lapse.
A cold front will slide in overnight and bring cooler air and snow. Expect a slick morning commute and a snowy afternoon on Friday.
The Colorado Avalanche Information Center is warning backcountry travelers to watch for weak spots in the snowpack as new snow moves into the mountains late Thursday.
A semi truck went off eastbound I-70 at mile marker 237 in Colorado on Thursday.
Officers with the Pagosa Springs Police Department in Colorado arrested a triple homicide suspect wanted out of Utah after tracking him in one of his victims' vehicles.
A student has been arrested and accused of bringing a gun to Arapahoe Ridge High School in Boulder.
It's been nearly 40 days since there's been anything but a trace of snow recorded in Denver, but it's forecasted that that streak will come to an end on Friday.
SWAT operation underway in Commerce City neighborhood near 67th and Olive.
Prescribed burn puts up smoke from Rocky Mountain Arsenal north of the Denver metro area.
Watch meteorologist Callie Zanandrie's forecast.
Early Thursday morning, fire crews in Westminster rushed to a burning apartment building.
The Colorado Avalanche have acquired forward Nicolas Roy in a trade with the Toronto Maple Leafs.
The Colorado Avalanche have acquired defenseman Nick Blankenburg in a trade with the Nashville Predators, the hockey team announced.
NBA Hall of Famer Chauncey Billups and former player Damon Jones are among 31 people charged in the federal case. They have pleaded not guilty.
Holtz coached Notre Dame from 1986 to 1996, winning 100 games with the school, including a 12-0 national title-winning season in 1988.
Olympic City's newest celebrities are back home in Colorado with new hardware. Just weeks after competing at the Games, Ellie Kam and Danny O'Shea are already back on the ice and others at the rink are eager to see them.
The announcement comes amid criticism of DHS spending under Noem, and as Congress has allowed the department's funding to lapse.
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 House passed a measure to fund the Department of Homeland Security on Thursday, but Senate Democrats blocked similar legislation.
Elon Musk reached a deal to buy Twitter in April 2022. On May 13, 2022, he declared his plan "temporarily on hold" over the number of spam and fake accounts on the platform. Twitter's stock tumbled as a result.
A federal court in New York ruled Wednesday that businesses that paid emergency tariffs invalidated by the Supreme Court are eligible for refunds.
The announcement comes amid criticism of DHS spending under Noem, and as Congress has allowed the department's funding to lapse.
The House passed a measure to fund the Department of Homeland Security on Thursday, but Senate Democrats blocked similar legislation.
Joe Trussel and Vanessa Diaz went before Colorado state lawmakers and recalled their darkest day -- the day their daughter Megan disappeared from her dorm at the University of Colorado Boulder.
A federal court in New York ruled Wednesday that businesses that paid emergency tariffs invalidated by the Supreme Court are eligible for refunds.
Colorado Gov. Jared Polis said that he intends to review the clemency case for Tina Peters, the former Mesa County clerk who was convicted of multiple charges related to election interference in the 2020 presidential election.
State and local health officials declared a measles outbreak in Adams County on Wednesday after a third person connected to Broomfield High School contracted the illness.
After two unvaccinated students at Broomfield High School were reported to have measles, the Boulder Valley School District says out of 1,669 students, 26 are on their exclusion list and not allowed to attend class.
Tests of dozens of baby formulas by Consumer Reports found that nearly half contained potentially dangerous chemicals.
Some Republican state lawmakers and health associations are pushing back against spending plans under the Trump administration's $50 billion federal rural health fund.
The Colorado Department of Public Health and Environment and Adams County Health Department confirmed a new case of measles on Monday and are warning Broomfield and Westminster residents about possible exposure.
Elon Musk reached a deal to buy Twitter in April 2022. On May 13, 2022, he declared his plan "temporarily on hold" over the number of spam and fake accounts on the platform. Twitter's stock tumbled as a result.
A federal court in New York ruled Wednesday that businesses that paid emergency tariffs invalidated by the Supreme Court are eligible for refunds.
Oregon food manufacturer Ajinomoto expands an earlier recall of frozen and ready-to-eat products over glass contamination.
Google is accused in a wrongful death lawsuit filed by the family of a man who committed suicide in October, allegedly at the direction of the tech giant's AI chatbot, Gemini.
The U.S. government must also reimburse businesses for the interest they paid on tariffs recently struck down by the Supreme Court, according to the Cato Institute.
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.
The case of a police officer who allegedly fled after off-duty road rage incident that ended in crash on I-25 is highlighting the hiring pressures small departments in Colorado face.
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.