Fossils found at Dinosaur National Monument, first excavation in 100 years
The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.
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The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.
Most of the footprints are elongated and made by bipeds. The best-preserved ones bear traces of at least four toes.
Paleontologists have discovered and documented 16,600 footprints left by theropods, the dinosaur group that includes the Tyrannosaurus rex.
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.
Scientists at a Dallas-based biotech company has unveiled a genetically engineered woolly mouse that they hope is a step toward eventually bringing back the wooly mammoth. The results haven't yet been published or vetted by independent scientists.
A paleontologist hailed the discovery as "truly an unusual find," adding it helped explain the relationships in the prehistoric food chain.
It is hoped the discovery will provide clues about how dinosaurs interacted, as well as their size and the speeds at which they moved.
Footprints dating back 120 million years show where dinosaurs were able to cross between land that's now part of two different continents.
The buyer intends to keep the fossil in the U.S., and is exploring making it available for public display.
The dinosaur fossil of a Stegosaurus nicknamed Apex fetched 10 times its estimate at a Sotheby's auction on Wednesday.
The largest stegosaurus skeleton ever found is expected to fetch millions of dollars at auction in New York next week, likely fueling objections from paleontologists.
A 150 million-year-old dinosaur skeleton found in Wyoming is on display in Denmark – after briefly being lost in transit.
One market analyst says Trump warning the Iran war will take 2-3 more weeks, without a plan to reopen the Strait of Hormuz, "was far less than" investors had hoped for.
NASA's Artemis II astronauts will spend about 24 hours orbiting the Earth and running checks on their spacecraft and life support systems before heading to the moon.
President Trump predicted in a prime-time address that the U.S. will complete its military mission in Iran "very shortly," and said U.S. forces have achieved "overwhelming victories," but he did not offer a definitive timeline.
House GOP leaders have reversed course and agreed on a plan to reopen most of the government while pursuing additional funding at a later date.
The Supreme Court on Wednesday appeared open to invalidating President Trump's executive order that would end birthright citizenship.
With gasoline topping $4 a gallon, it now costs almost $145 to fill up a Ford F-150 pickup truck, a new analysis finds.
The federal government may try to send 5-year-old Liam Conejo Ramos back to detention.
Robbers used firework bombs to break into the Drents Museum in 2025, stealing the 5th-century BC golden Helmet of Cotofenesti and three gold bracelets.
A coalition of major Democratic groups sued the Trump administration, seeking to strike down an executive order that would exert more federal influence over mail-in voting — including by creating lists of citizens who are eligible to vote.
With gasoline topping $4 a gallon, it now costs almost $145 to fill up a Ford F-150 pickup truck, a new analysis finds.
NASA's Artemis II astronauts will spend about 24 hours orbiting the Earth and running checks on their spacecraft and life support systems before heading to the moon.
Most people fall far short of the savings they say they will need to maintain their standard of living in retirement, data shows.
Bundy's full DNA profiled was entered into the FBI's national database, giving investigators a shot at solving potential cases linked to Bundy.
"The scary scenarios are, unfortunately, extremely plausible" if the critical Persian Gulf waterway stays effectively sealed, economist Paul Krugman said.
With gasoline topping $4 a gallon, it now costs almost $145 to fill up a Ford F-150 pickup truck, a new analysis finds.
Most people fall far short of the savings they say they will need to maintain their standard of living in retirement, data shows.
"The scary scenarios are, unfortunately, extremely plausible" if the critical Persian Gulf waterway stays effectively sealed, economist Paul Krugman said.
The Texas-based company could go public with a valuation of more than $1.75 trillion, making it the largest IPO in history.
With oil prices rising and hiring already slowing, economists warn the Iran war could further weigh on U.S. job growth.
House GOP leaders have reversed course and agreed on a plan to reopen most of the government while pursuing additional funding at a later date.
One market analyst says Trump warning the Iran war will take 2-3 more weeks, without a plan to reopen the Strait of Hormuz, "was far less than" investors had hoped for.
A coalition of major Democratic groups sued the Trump administration, seeking to strike down an executive order that would exert more federal influence over mail-in voting — including by creating lists of citizens who are eligible to vote.
The Trump administration has lifted sanctions on Venezuela's interim President Delcy Rodriguez, according to the Treasury Department, as the U.S. seeks to rebuild ties with the Venezuelan government.
The federal government may try to send 5-year-old Liam Conejo Ramos back to detention.
The FDA approved a new GLP-1 drug from Eli Lilly. Dr. Jon LaPook breaks it down.
The COVID-19 variant BA.3.2, nicknamed "Cicada," has been detected in at least 23 countries and half the states in the U.S.
North Carolina and other states have insurance plans for kids in foster care, but many doctors did not accept patients on the plans, leaving kids' guardians scrambling to find health care providers.
The One Big Beautiful Bill Act will add red tape and restrictions for those seeking Medicaid and SNAP benefits. And the costs to update computer systems that determine eligibility for those programs will be steep.
David Lyon is one of the rising number of young adults to be diagnosed with colorectal cancer.
Thousands were killed and wounded during the Battle of Copenhagen, considered one of Adm. Horatio Nelson's "great battles."
Robbers used firework bombs to break into the Drents Museum in 2025, stealing the 5th-century BC golden Helmet of Cotofenesti and three gold bracelets.
One market analyst says Trump warning the Iran war will take 2-3 more weeks, without a plan to reopen the Strait of Hormuz, "was far less than" investors had hoped for.
Indonesia, a vast archipelago of more than 280 million people, sits on major seismic faults and is frequently hit by earthquakes.
The Trump administration has lifted sanctions on Venezuela's interim President Delcy Rodriguez, according to the Treasury Department, as the U.S. seeks to rebuild ties with the Venezuelan government.
Actor and comedian Kenan Thompson joins "CBS Mornings" to discuss his new children's book, "Unfunny Bunny."
Kid Rock posted videos of the helicopters hovering by his Nashville home on social media over the weekend. The Army later confirmed the helicopters were on a training mission.
Sharon Stone reflected on her legendary career as she discussed joining the cast of "Euphoria," working with the show's creator, Sam Levinson, and how she has advocated for women in the entertainment industry.
A Las Vegas performer has sued Taylor Swift over the title of her hit album "The Life of a Showgirl," alleging it violates the performer's trademark.
A Barbie Dream Fest event in Fort Lauderdale, Florida, generated backlash from attendees over its allegedly underwhelming experience. Jessica Nova, who drove in from Atlanta for the occasion, joins CBS News to recount her experience.
"CBS Mornings" sits down with Tristan Harris, co-founder and president of the Center for Humane Technology, who is featured in the 2026 documentary, "The AI Doc: Or How I Became an Apocaloptimist."
CBS News contributor Patrick McGee joins "The Daily Report" to discuss the codependent relationship between Apple and China, a country that manufactures hundreds of millions of iPhones every year.
From labor shortages to environmental impacts, farmers are looking to AI to help revolutionize the agriculture industry. One California startup, Farm-ng, is tapping into the power of AI and robotics to perform a wide range of tasks, including seeding, weeding and harvesting.
The JPMorgan Chase CEO said the bank may one day introduce prediction market features, but said "there's a bunch of stuff we won't do" in that space.
Many have dreamed of a future with flying cars, eliminating traffic on the morning commute. One company is trying to make that dream a reality. Itay Hod reports.
NASA's Artemis II astronauts will spend about 24 hours orbiting the Earth and running checks on their spacecraft and life support systems before heading to the moon.
Four astronauts are traveling around the moon on Artemis II, going further from Earth than anyone before. CBS News' Mark Strassmann and Peter King have more.
Former NASA astronaut Clayton Anderson joins CBS News to discuss what the Artemis II astronauts will do as they orbit the Earth after takeoff.
Members of the Artemis II crew will be the first people to sleep inside the Orion spacecraft. CBS News' Kris Van Cleave has more on how they'll do that.
The science and technology behind using the restroom in space continues to evolve. CBS News senior transportation correspondent Kris Van Cleave looks at the out-of-this-world facilities available to the Artemis II crew.
Robbers used firework bombs to break into the Drents Museum in 2025, stealing the 5th-century BC golden Helmet of Cotofenesti and three gold bracelets.
Bundy's full DNA profiled was entered into the FBI's national database, giving investigators a shot at solving potential cases linked to Bundy.
A child was being pushed in a stroller at Moore and Humboldt streets in East Williamsburg on Wednesday when she suffered a gunshot wound to the head, police said.
James Farthing, who won the $167.3 million Powerball jackpot last April, was arrested for a third time since collecting his grand prize. CBS News' Shanelle Kaul has more.
The son of a Maui doctor testified that his father confessed to him over FaceTime to trying to kill his stepmother, Arielle Konig, on a hike last year. Prosecutors allege Gerhardt Konig tried to push his wife off a cliff, attempted to inject her with a syringe and hit her in the head with a rock.
NASA's Artemis II astronauts will spend about 24 hours orbiting the Earth and running checks on their spacecraft and life support systems before heading to the moon.
NASA's Artemis II astronauts launched on a nine-and-a-half-day mission around the moon and back.
Forecasters continue to predict an 80% chance of favorable weather on Wednesday for the launch of four astronauts on a flight to the moon.
Countdown clocks began ticking Monday, setting the stage for launch of the Artemis II moon mission early Wednesday evening.
NASA's Artemis II astronauts — three space station veterans and a Canadian rookie — stand out even in an astronaut corps full of super achievers.
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
Does the evidence show a cover-up, or was Todd Kendhammer wrongfully convicted for the murder of his wife?
Christy Salters-Martin dominated in the boxing ring but faced her toughest challenger at home.
Family seeks answers in death of newlywed who disappeared in 2005 while on Mediterranean honeymoon cruise.
Meet the tattooed beauty charged in the death of Google executive Forrest Hayes.
ALL NEW: A burglar caught red-handed leads police to a killer and a poisoned root beer float. "48 Hours" correspondent Peter Van Sant reports Saturday, April 4 at 10/9c on CBS and streaming on Paramount+.
Four astronauts are traveling around the moon on Artemis II, going further from Earth than anyone before. CBS News' Mark Strassmann and Peter King have more.
President Trump addressed the nation about the Iran war Wednesday night, saying that the U.S. would complete its mission there "very shortly." CBS News' Ed O'Keefe remarks on the president's remarks and J.D. Simkins, editor-in-chief of the Military Times and Defense News, joins with analysis.
The FDA approved a new GLP-1 drug from Eli Lilly. Dr. Jon LaPook breaks it down.
President Trump addressed the nation Wednesday night about the Iran war. Tony Dokoupil anchored CBS News' special report.