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 proposed Front Range Passenger Rail would connect train passengers from Fort Collins to Pueblo.
The verdict, which caps a weeks-long trial in Los Angeles, could set a legal precedent for similar allegations brought against social media companies.
The Denver Board of Water Commissioners implemented mandatory water restrictions and declared a Stage 1 drought on Wednesday morning.
The Supreme Court ruled that internet service provider Cox Communications cannot be held liable for copyright infringement by its subscribers.
Nearly 95% of Colorado State Patrol troopers are men, a gap leaders say they are working to close through mentorship and increased visibility for women in law enforcement.
High temperatures today are expected to climb to around 90 degrees, putting Denver in a position to challenge, and potentially set, an all-time record high for March.
The proposed Front Range Passenger Rail would connect train passengers from Fort Collins to Pueblo.
The Denver Board of Water Commissioners implemented mandatory water restrictions and declared a Stage 1 drought on Wednesday morning.
Nearly 95% of Colorado State Patrol troopers are men, a gap leaders say they are working to close through mentorship and increased visibility for women in law enforcement.
The ordinance will prohibit the parking of any RV on any public street for longer than 72 hours in any 14-day period in Broomfield.
Shaving Grace Hairport at Denver International Airport is the only barbershop kiosk of its kind in the U.S.
Watch Lauren Whitney's forecast
The proposed Front Range Passenger Rail would connect train passengers from Fort Collins to Pueblo, covering 180 miles between the two cities in Northern Colorado to southern Colorado.
The Denver Board of Water Commissioners declared a Stage 1 drought on Wednesday morning and implemented mandatory water restrictions.
Watch Alex Lehnert's forecast
The 31-year-old American matched Austrian downhill great Annemarie Moser-Pröll, who won her six titles in the 1970s.
The Denver Pioneers men's ice hockey team is preparing for a familiar quest.
Denver Summit FC captured its first point as a franchise with a 1-1 draw against the Orlando Pride last weekend. It's a milestone worth celebrating, but likely the first of many during its inaugural season.
Five days before Denver Summit FC takes the field for its first ever home match, controlling owner Rob Cohen says the moment is really starting to sink in.
Denver Summit FC midfielder Jasmine Aikey will be out for the rest of the team's inaugural season after suffering a serious injury.
The verdict, which caps a weeks-long trial in Los Angeles, could set a legal precedent for similar allegations brought against social media companies.
The Supreme Court ruled that internet service provider Cox Communications cannot be held liable for copyright infringement by its subscribers.
Savannah Guthrie said her family is in agony as she made a tearful plea for someone "to do the right thing" nearly two months after Nancy Guthrie disappeared.
The 31-year-old American matched Austrian downhill great Annemarie Moser-Pröll, who won her six titles in the 1970s.
Democrats have vowed to keep forcing votes on the issue as they seek public testimony from administration officials.
The Supreme Court ruled that internet service provider Cox Communications cannot be held liable for copyright infringement by its subscribers.
An internal watchdog report in the Department of Homeland Security identified serious vulnerabilities in TSA's screenings at airports nationwide.
A command element and some ground forces are expected to be part of the Middle East deployment, according to a source familiar with the planning.
In an on-going overhaul of NASA's Artemis program, agency officials say it will take seven years to build a sophisticated base on the moon.
A newly introduced bill at the Colorado State Capitol would allow LGBTQ individuals to sue for damages caused by so-called conversion therapy, or therapy aimed at changing the sexual orientation or gender identity of a person.
Federal health officials posted a warning about misleading statements by biotech billionaire Dr. Patrick Soon-Shiong about his company's bladder cancer drug Anktiva.
A compound found in python blood could lead to a new kind of weight loss drug, one that suppresses appetite without some of the side effects linked to popular medications like Ozempic.
Two bills making their way through the Colorado General Assembly would require screening kids for vision loss at an earlier age and make school physicals more accessible.
An Olympic-style competition featuring more than 20 events is set to take center stage in Denver this summer for the first time.
Two Colorado lawmakers have proposed a bill to address racial disparity when it comes to maternal mortality rates.
The verdict, which caps a weeks-long trial in Los Angeles, could set a legal precedent for similar allegations brought against social media companies.
Federal health officials posted a warning about misleading statements by biotech billionaire Dr. Patrick Soon-Shiong about his company's bladder cancer drug Anktiva.
Colorado's dry winter is now raising concerns about what summer recreation could look like, but rafting outfitters said the outlook isn't as bleak as it might seem.
FedEx said it will give customers the option of two-hour or end-of-day delivery, including for large and oversized packages.
The National Highway Traffic Safety Administration said the issue can reduce the driver's ability to detect hazards and increase the risk of a crash.
Colorado's youth detention facilities are at the center of a civil rights lawsuit alleging that children are being kept beyond their court-ordered release dates. Advocates and families say the impact is irreversible.
One day after DIA's general counsel filed a federal lawsuit against the city and three of Mayor Mike Johnston's appointees -- alleging unethical and potentially illegal behavior, and claiming they were plotting to oust airport CEO Phil Washington -- one of the appointees, City Attorney Miko Brown, responded by saying of the claims in the lawsuit, "I know they're upsetting."
A woman whose aging mother was charged thousands of dollars to change a lock reached out to CBS Colorado in hopes that the station would help them get the money back.
A senior lawyer at Denver International Airport filed a federal lawsuit against the city and three top officials, claiming he was pushed out of his job after warning about possible alleged violations of law and more.
A CBS Colorado investigation has found Denver may now be subsidizing fire protection for neighboring cities -- despite deals that were supposed to save money -- as the city faces deep budget cuts and layoffs.