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.
Why are we captivated with a creature that hasn't existed on Earth for about 66 million years? Martha Teichner visits the American Museum of Natural History in New York's T. rex exhibit, and accompanies a University of Kansas paleontology team as they dig for Tyrannosaurus Rex bones in Jordan, Montana.
What if a Tyrannosaurus Rex could be brought to life today? Cartoonist Hugh Murphy (who is also a practicing dentist in Raleigh, N.C.) has published three books exploring how confounding life might be for a creature with such short arms. Martha Teichner reports.
The "Teen Rex" is one of just four young T. rex fossils that have been found on Earth.
Alabama governor signs near-total abortion ban; largest and oldest T. rex named "Scotty" revealed
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 classic image of Tyrannosaurus rex flashing giant teeth might be wrong. New research suggests they were likely covered by scaly lips.
The 200-pound skull fossil, nicknamed Maximus, is being sold by an owner who wishes to remain anonymous, the auction house said.
It was a Tyrannosaurus rex takeover in Portland, Maine, on Saturday as a large group of people dressed as dinosaurs descended on Monument Square for an event that was “all about spreading smiles.”
The tyrannosaurus rex was believed to have been the most-feared predator when dinosaurs ruled the earth, but a new study suggests it wasn't the biggest of the prehistoric beasts. Dana Jacobson reports.
Trump pressures Senate GOP on health bill; new study suggests Tyrannosaurus rex could barely run
For Tyrannosaurus rex, getting around was no small feat. A new study suggests the prehistoric beast was so big, its legs would have buckled under high speeds. Jonathan Vigliotti has more.
On February 12, 1873 paleontologist Barnum Brown was born in Carbondale, Kansas. The scientist who came to be known as "Mr. Bones" uncovered the partial skeleton of a huge, previously-unknown dinosaur - the Tyrannosaurus Rex. Jane Pauley Reports.
The rare bones were found by amateur fossil hunters on the Isle of Wight.
The largest tyrannosaurus rex to ever roam the earth is about to make his official debut. CBS News got a look at "Scotty" before he goes on display at a museum in Canada. Jamie Yuccas explains.
Why are we captivated with a creature that hasn't existed on Earth for about 66 million years? "Sunday Morning" digs for answers
The massive creature weighed an estimated 20,000 pounds — about 8,000 more than the average T. rex
This new exhibit is presenting the king of the cretaceous period in a brand new light
Apple's new dinosaur emoji sure is cute, but one paleontologist says its anatomy is wildly inaccurate
Scientists combined two digital modelling methods and concluded Tyrannosaurus rex was likely so big, it couldn't run
On February 12, 1873, the man who would discover the skeleton of the previously-unknown Tyrannosaurus Rex was born
Paleontologists are using 3D imaging to try to understand an unusual feature of the fearsome dinosaur
Paleontologists unearthed the bones of a T-Rex that lived more than 66 million years ago in what is now Montana
Scientists unveil the discovery of a small ancestor of huge tyrannosaurs
More severe weather is forecast for an already soaked California, raising risk of additional mudslides and debris flows.
The Justice Department said the process of releasing the Epstein files may take "a few more weeks" due to the volume of materials.
Most major retail stores and grocery chains are closed on Christmas Day, with some exceptions.
A single winning ticket was sold for Powerball's Christmas Eve jackpot of $1.817 billion, in Arkansas. It was the second biggest winning jackpot in U.S. lottery history.
The economy remained on track this year, defying the gloomiest predictions. That doesn't mean Americans are thrilled with how things are going.
A planned Christmas Eve jazz concert at the Kennedy Center has been canceled.
In his first Christmas homily, Pope Leo lamented conditions for Palestinians in Gaza and urged Ukraine and Russia to engage in direct talks to end their wr.
Two foreigners, a local doctor, a tour guide and the pilot were killed in the helicopter crash on Mount Kilimanjaro.
The Justice Department early Tuesday released more than 11,000 additional documents and photos from the Jeffrey Epstein files.
More severe weather is forecast for an already soaked California, raising risk of additional mudslides and debris flows.
Most major retail stores and grocery chains are closed on Christmas Day, with some exceptions.
A single winning ticket was sold for Powerball's Christmas Eve jackpot of $1.817 billion, in Arkansas. It was the second-largest U.S. lottery jackpot ever won.
Traffic safety regulators are reviewing a motorist's complaints that the manual door handles on some Model 3 cars are hard to find, a potential hazard in a crash.
The new tourist tax imposes an 11% tax on the gross fares paid by a cruise ship's passengers to address climate change threats to Hawaii.
Most major retail stores and grocery chains are closed on Christmas Day, with some exceptions.
Traffic safety regulators are reviewing a motorist's complaints that the manual door handles on some Model 3 cars are hard to find, a potential hazard in a crash.
The new tourist tax imposes an 11% tax on the gross fares paid by a cruise ship's passengers to address climate change threats to Hawaii.
Many Americans face soaring costs to heat their homes this winter. Here are some ways to lower your monthly utility bill.
The economy remained on track this year, defying the gloomiest predictions. That doesn't mean Americans are thrilled with how things are going.
A planned Christmas Eve jazz concert at the Kennedy Center has been canceled.
President Trump spent part of Christmas Eve bantering with kids, updating families on NORAD's Santa tracker and reminding one child that the big guy has a "serious appetite."
President Trump-backed candidate Nasry Asfura has won Honduras' presidential election, the country's electoral authorities said, ending a weeks-long count.
The Justice Department said the process of releasing the Epstein files may take "a few more weeks" due to the volume of materials.
Trump signed an executive order in March saying it was "no longer in the national interest" for attorney Mark Zaid and others to access classified information.
Suze Lopez, a 41-year-old nurse who lives in Bakersfield, California, didn't know she was pregnant with her second child until days before giving birth.
The Food and Drug Administration has approved a pill version of the weight-loss drug Wegovy.
A federal judge has approved a preliminary agreement for a class action lawsuit requiring Aetna to cover fertility treatments for same-sex couples as they do with heterosexual couples.
Doctors and scientists say this year's influenza season could be tougher than usual, with a new version of the flu virus, called H3N2, spreading quickly.
#LillyPartner Cancer clinical trials can offer patients access to investigational treatments that can be explored as early as the time of diagnosis. Ovarian cancer survivor Alicia Dellario and Dr. Arjun Balar, senior vice president of global clinical development at Eli Lilly and Company, join "CBS Mornings" to talk about the potential benefits of cancer clinical trials -- and clarify common misconceptions. Visit cancerclinicaltrials.lilly.com for more information. (Sponsored by Eli Lilly and Company)
Jair Bolsonaro, who has been hospitalized since Wednesday, has been serving a 27-year prison sentence since November for an attempted coup.
King Charles III led his family to church on foot ahead of his annual Christmas Day speech that is expected to focus on pilgrimage.
Two foreigners, a local doctor, a tour guide and the pilot were killed in the helicopter crash on Mount Kilimanjaro.
In his first Christmas homily, Pope Leo lamented conditions for Palestinians in Gaza and urged Ukraine and Russia to engage in direct talks to end their wr.
A bomb exploded during prayers at a mosque in Nigeria, killing five people in what police described as a likely suicide attack.
King Charles III led his family to church on foot ahead of his annual Christmas Day speech that is expected to focus on pilgrimage.
A planned Christmas Eve jazz concert at the Kennedy Center has been canceled.
The New York Times movie critic Alissa Wilkinson ranked the top films of 2025. She joins CBS News 24/7 to review this year's list.
The leg lamp in "A Christmas Story" might be one of cinema's most iconic props, and one small town in Oklahoma has a special way to celebrate it. Omar Villafranca reports.
Kiefer Sutherland stars in the new holiday comedy "Tinsel Town," about a washed-up Hollywood actor who lands in a small English town doing a theater production of "Cinderella." He talks about what drew him to the role.
Instacart says its ending its controversial system of using AI price tests for retailers. Earlier this month, an investigation by Consumer Reports and progressive think tank Groundwork Collaborative found that Instacart's algorithmic pricing charged various prices for the same item from the same store. Jo Ling Kent reports.
Massive tech companies wanting to build more data centers in the U.S. are lobbying for support among Americans, according to a recent report by POLITICO. Gabby Miller joins CBS News with more on her reporting.
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.
Timothy Werth, a tech editor at Mashable, joins "CBS News 24/7" to discuss the best gadgets of 2025.
Instacart had drawn criticism for testing an AI-based system that enabled retailers to charge different prices for the same grocery items.
The Trump administration intends to dismantle one of the world's leading climate research institutions, in Boulder, Colorado, over what it said were concerns about "climate alarmism."
The footage of a bear caring for an adopted cub was captured during the annual polar bear migration along the Western Hudson Bay in Churchill, Manitoba.
Most of the footprints are elongated and made by bipeds. The best-preserved ones bear traces of at least four toes.
NASA continues to aim its space telescopes at the visiting ice ball, estimated to be up to 3.5 miles in size.
Paleontologists have discovered and documented 16,600 footprints left by theropods, the dinosaur group that includes the Tyrannosaurus rex.
His lawyers argued that Rozier's alleged involvement in the wire fraud and money laundering conspiracies is limited.
A prominent California farmer was arrested in the shooting death of his estranged wife in a remote mountain community in Arizona, authorities said.
Rahmanullah Lakanwal, a 29-year-old Afghan national, is accused of fatally shooting Army Spc. Sarah Beckstrom and wounding Air Force Staff Sgt. Andrew Wolfe.
California authorities announced Tuesday they have found the body of 9-year-old Melodee Buzzard and arrested her mother for murder. See the full news conference.
A Delaware state trooper was killed Tuesday during a shooting at a Wilmington DMV, the Delaware State Police said. The state's governor confirmed the shooter is also dead.
NASA astronauts took their first drive on the moon 54 years ago. Now, three companies are competing for a NASA contract to build a new lunar rover for use starting with the Artemis 5 mission in 2030. Kris Van Cleave reports.
NASA is gearing up to send four Artemis astronauts on looping test flight around the moon in 2026.
A German aerospace engineer made history Saturday, becoming the first wheelchair user to go into space when she took a 10-minute trip aboard a Blue Origin rocket.
German engineer Michaela Benthaus is the first person with a significant physical handicap to reach space.
President Trump withdrew Isaacman's nomination for NASA administrator in April, before nominating him again in November.
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.
This year marks the 40th anniversary of Chris Van Allsburg's beloved children's book, "The Polar Express." He tells CBS News' Bradley Blackburn about how he came up with the classic Christmas tale at just 34 years old.
The Christmas Eve Powerball jackpot worth $1.817 billion, the second-largest ever, was won by a single ticket sold in Arkansas.
Pope Leo XIV celebrated his first Christmas since he became pontiff. At Midnight Mass on Christmas Eve, Leo urged people to care for the poor and for migrants.
A powerful storm brought heavy rain to parts of California on Wednesday, flooding roads and prompting evacuations in some areas. The deluge of rain is causing dangerous travel conditions on Christmas Day.
In late 19th-century Florida, hunters pushed flamingos into functional extinction. But something changed over the last 25 years when hurricanes in the Caribbean chased them into the Everglades. Mark Strassmann reports.