First-ever adult T. rex trackway found in North Dakota
Paleontologists have identified the first known trackway made by a full-grown Tyrannosaurus rex, and the discovery was made in the North Dakota badlands.
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Paleontologists have identified the first known trackway made by a full-grown Tyrannosaurus rex, and the discovery was made in the North Dakota badlands.
Dinosaur fossils are rare to find in Antarctica because of the unforgiving ice caps. But millions of years ago, the region was populated by lush forests.
The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.
The discovery "rewrites decades of research on Earth's most famous predator," the study's co-author said.
Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction.
The new find was possibly 23 feet long and hailed from a mysterious group of dinosaurs called megaraptorans.
"Spicomellus is one of the strangest dinosaurs that we've ever discovered," the project's leader said.
Apex predators, like the Tyrannosaurus rex, eventually arose from smaller-bodied tyrannosauroid dinosaurs called Khankhuuluu mongoliensis, the study's researchers said.
A paleontologist hailed the discovery as "truly an unusual find," adding it helped explain the relationships in the prehistoric food chain.
Footprints dating back 120 million years show where dinosaurs were able to cross between land that's now part of two different continents.
The dinosaur fossil of a Stegosaurus nicknamed Apex fetched 10 times its estimate at a Sotheby's auction on Wednesday.
A mistrial was declared in the murder trial of Lindsay Clancy after jurors could not reach a unanimous decision. One of the jurors shares details on their deliberations in an interview with Gayle King.
An American Airlines reservations agent who took Betty Ong's historic 9/11 call recalls the flight attendant's bravery.
The report comes at a pivotal moment for the Federal Reserve, which is scheduled to meet next week to decide whether to hike interest rates.
One Canadian whiskey maker has found a workaround to Trump's Canadian alcohol ban.
The trial of Khalid Sheikh Mohammed and three other alleged 9/11 plotters is scheduled to begin in June 2028.
Colorado district attorneys are warning of a scam increasing in frequency that targets domestic violence victims.
Finding steady work can be one of the biggest hurdles for people leaving prison or jail, but a Denver area program is working to change that.
Weld County commissioners unanimously approved GlobalAI's plans to build a data center in Northern Colorado following an extended public hearing.
Revitalizing downtown Denver has been a major focus for Mayor Mike Johnston over the past few years. While announcing the proposed 2027 city budget, he said that focus has paid off.
On Tuesday, rescue crews recovered a deceased climber who was discovered in very difficult terrain on Colorado's Maroon Peak.
The lawsuit asks the federal district court in Washington, D.C., to declare unlawful any plans to have armed agents at polling places and to prohibit federal officers from carrying weapons near voting locations or other sites where votes are collected.
Watch meteorologist Callie Zanandrie's forecast.
Stanley Marketplace in Aurora has new ownership- Magnetic Capital.
Roosevelt High School will honor first responders and military heroes during Football Friday as Windsor takes on Roosevelt.
Firefighters across Colorado will pay tribute to 9/11 with a stair climb at Republic Plaza in downtown Denver.
Ben Shelton ended Carlos Alcaraz's title reign in the latest-finishing match in U.S. Open history, pulling out the victory in a marathon tussle that ended at 3:33 a.m. Wednesday.
The Broncos are highlighting their stadium's new food and drink options for their upcoming 2026 season.
The Border War between Colorado State University and the University of Wyoming returns this weekend, continuing one of the oldest rivalries in college football.
At the U.S. Open, artificial intelligence is giving players and fans a new way to experience the tournament.
Playing together at the U.S. Open in New York for the first time in four years, Serena and Venus Williams lost in a three-set thriller match in the first round of the women's doubles tournament.
A mistrial was declared in the murder trial of Lindsay Clancy after jurors could not reach a unanimous decision. One of the jurors shares details on their deliberations in an interview with Gayle King.
An American Airlines reservations agent who took Betty Ong's historic 9/11 call recalls the flight attendant's bravery.
The report comes at a pivotal moment for the Federal Reserve, which is scheduled to meet next week to decide whether to hike interest rates.
One Canadian whiskey maker has found a workaround to Trump's Canadian alcohol ban.
The trial of Khalid Sheikh Mohammed and three other alleged 9/11 plotters is scheduled to begin in June 2028.
One Canadian whiskey maker has found a workaround to Trump's Canadian alcohol ban.
The trial of Khalid Sheikh Mohammed and three other alleged 9/11 plotters is scheduled to begin in June 2028.
Four former presidents are at the World Trade Center memorial site for 9/11 commemorations, while President Trump spoke at the Pentagon.
Mr. Trump's pledge to give $5,000 to Americans would stoke inflation and worsen the nation's fiscal outlook, according to economists.
The White House has not publicly released the voluntary framework for testing frontier AI models that it finalized in August.
Employer health benefit costs are projected to see the steepest increase next year since 2003. That could mean higher deductions and out-of-pocket costs for workers.
Arapahoe County Public Health has invested money to support moms and families through a bilingual doula program. Doulas are trained to give support before, during and after birth.
Lindsay Clancy's case is resonating with moms across the U.S. — bringing into focus the spectrum of perinatal mood and anxiety disorders and the lack of resources for many women.
Clean air advocates are asking local and state leaders in Colorado to act on the unhealthy ozone levels and their impacts.
If passed, the legislation would expand eligibility for residents in 57 Colorado zip codes to get compensation based on a list of eligible diseases and cancers, and would include coverage for workers and residents known as "downwinders."
The report comes at a pivotal moment for the Federal Reserve, which is scheduled to meet next week to decide whether to hike interest rates.
One Canadian whiskey maker has found a workaround to Trump's Canadian alcohol ban.
The development of AI "doesn't look that different from say, 'Terminator,' or from science fiction films," Jacob Coxon said.
The price of diesel has soared more than 60% over the last year, a surge energy experts say is likely to continue. Here's why.
Mr. Trump's pledge to give $5,000 to Americans would stoke inflation and worsen the nation's fiscal outlook, according to economists.
Evergreen High has two new members of its community -- two dogs whose presence has become part of the daily rhythm of the school, offering students and staff something they desperately needed after a shooting shattered their sense of safety.
Denver's Board of Ethics voted unanimously to investigate two complaints against City Attorney Miko Brown.
A former student and her parents are suing a church and school, alleging officials failed to protect the girl from a music director who they say sexually assaulted her when she was 13 and then failed to properly respond when concerns surfaced.
Despite having health insurance, families in Colorado have been hit with massive medical bills after their babies spent time in NICUs.
Denver Mayor Mike Johnston's security detail drew his gun on a man at Union Station last week, the mayor's office said Monday.