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.
One Denver business owner is voicing frustration after officers took more than an hour to respond while thieves made off with thousands of dollars in merchandise during a recent burglary.
Another round of thunderstorms moved into Colorado on Saturday, bringing rain and hail to areas across the Front Range. Multiple drivers became stranded at flooded intersections in the south metro area.
A 28-year-old man's body was pulled from the water at Eleven Mile Reservoir late Friday, about seven hours after he and another man fell off a paddleboard they were sharing.
For some kids, a bike means more than just a way to get around. It can mean freedom, exercise, transportation and adventure.
A ground stop is in place for Denver International Airport as thunderstorms move into the metro area on Saturday.
One Denver business owner is voicing frustration after officers took more than an hour to respond while thieves made off with thousands of dollars in merchandise during a recent burglary.
Another round of thunderstorms moved into Colorado on Saturday, bringing rain and hail to areas across the Front Range. Multiple drivers became stranded at flooded intersections in the south metro area.
A 28-year-old man's body was pulled from the water at Eleven Mile Reservoir late Friday, about seven hours after he and another man fell off a paddleboard they were sharing.
For some kids, a bike means more than just a way to get around. It can mean freedom, exercise, transportation and adventure.
A ground stop is in place for Denver International Airport as thunderstorms move into the metro area on Saturday.
Johnson came to Colorado to fundraise for Evans in his reelection bid. See Political Reporter Shaun Boyd's interview with Johnson and Evans.
For some Colorado kids, a bike means more than just a way to get around. It can mean freedom, exercise, transportation and adventure. That's the idea behind a partnership between Wish for Wheels and Kroenke Sports Charities, which is providing more than 200 second graders in the Denver metro area with brand-new bikes and helmets.
Denver drivers will once again be able to dispute their parking tickets online starting in September.
Agencies across Colorado are assisting in the search for what police believe to be an armed and dangerous homicide suspect.
One Denver business owner is voicing frustration after officers took more than an hour to respond while thieves made off with thousands of dollars in merchandise during a recent burglary.
Wednesday's meeting was the third community meeting for the La Alma Lincoln Park community since the Denver Broncos' leadership announced their plans to build the new Broncos stadium in the former railyard.
Westbrook played for Oklahoma City, Houston, Washington, both Los Angeles teams, Denver and Sacramento during his 18-year-career.
The Denver Broncos CEO said he hopes to open the new stadium at Burnham Yard in time for the 2031 NFL season- just five years from now.
As the baseball world watched last weekend while women took the field in a female professional league for the first time in decades, teen baseball players across Colorado saw a future.
Colorado lacrosse champion Eliza Osburn's journey to the world stage started long before she ever put on a Team USA jersey.
Five people were injured in the shooting involving multiple suspects. One person is currently listed in critical condition, the university said.
With magnitudes of 7.7 and 6.4, two earthquakes struck different parts of Indonesia on the same day.
An air traffic controller's quick thinking helped avert a dangerous situation when two jets, one landing in Phoenix and the other simultaneously taking off, shared the same flight number and radio frequency.
The U.S. Army said Friday it is temporarily halting Apache helicopter training flights after two soldiers were killed earlier this week in a crash near Fort Hood, Texas.
Jessica Bang collapsed on Aug. 1 as she was preparing in Thailand for a tournament and was transported to a hospital in Bangkok.
Speaker of the U.S. House Mike Johnson was in Colorado fundraising for two Republican congressmen: Rep. Gabe Evans of the state's 8th Congressional District and Rep. Jeff Crank of the 5th Congressional District.
The U.S. Army said Friday it is temporarily halting Apache helicopter training flights after two soldiers were killed earlier this week in a crash near Fort Hood, Texas.
The records involve consulting work, paid for with $25,000 in public funds, and CBS Colorado learned that the report may have been destroyed.
The Justice Department issued a legal opinion giving the U.S. military broader powers to detain migrants near certain areas along the southern border.
The Trump administration asked the Supreme Court to intervene in the legal battle over President Trump's White House ballroom.
Colorado doctors will still be recommending the long-standing American Academy of Pediatrics immunization schedule.
Certain salsas, guacamole, pico de gallo and prepared jalapeño products at Whole Foods are among the products recalled over possible salmonella risk.
Hospitals and other medical providers are increasingly asking for payment before providing care, collecting more of what patients might owe.
The Social Security Administration is expanding its list of diseases and other health conditions that may qualify for accelerated approval of disability benefits.
The FDA has long fallen short of legally required inspection targets, and foreign inspections fell further last year amid agency layoffs.
The 14oz soup kits were distributed at Walmart stores in 29 states between June 30 and July 7, according to the FDA.
Nearly half of renters spend more than 30% of their income on housing. Here's what it costs to rent a two-bedroom home in 50 U.S. cities.
A Cargill employee said she and others are concerned about the future of contract negotiations, and many believe they are stuck in the middle between the company and the union.
For decades, free street parking has been part of the experience in Fort Collins' Old Town shopping district. However, street parking was being considered for a new paid model. But this week, city leaders decided to pump the brakes.
Surging AI investment is pushing up the cost of smartphones and other gadgets, according to analysts. Here's why.
Colorado's wildfire fight is increasingly beginning from the air -- sometimes before a fire is even visible to the naked eye.
Some Coloradans who signed over their state tax credit for a free e-bike finally got their delivery.
U.S. Homeland Security Secretary Markwayne Mullin visited Colorado's Supermax prison, the U.S. Olympic & Paralympic Training Center and Immigration and Customs Enforcement offices in southern Colorado before holding a private meeting with U.S. Rep. Gabe Evans and Hispanic faith leaders.
An accident that sent two passengers tumbling from a chairlift at Vail was caused by components that were improperly installed when the lift was built nearly two decades ago, according to a state investigation.
For the first time, court photos show the inside of a Commerce City home where authorities found three children, 31 dogs, two cats and two guinea pigs living last fall.