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
Information trickling out of Iran suggests a far deadlier crackdown on protesters than previously reported.
White House press secretary Karoline Leavitt said Monday that Mr. Trump would be "talking about all of the great economic news."
President Trump's plans to ease the financial pressures on Americans are bold but could backfire, experts said.
The couple had so many kids in their Los Angeles-area mansion a neighbor "thought it was a kindergarten." The investigation has only gotten stranger.
The Supreme Court heard two cases involving laws from Idaho and West Virginia that ban transgender athletes from participating in girls' and women's sports.
Scott Adams, the cartoonist who created the "Dilbert" comic strip, has died at the age of 68, his first ex-wife revealed on Tuesday.
The heads of 10 central banks and other financial institutions say it's "critical to preserve" the Fed's independence, as Powell is pressured by the Trump administration.
At least six prosecutors, most of whom are supervisors in the Civil Rights Division's criminal section, will be leaving their jobs.
The U.S. government is revoking the legal status of several thousand immigrants from Somalia.
Ashley St. Clair, the mother of one of Elon Musk's children, alleges Grok generated and published sexual deepfake images of her without permission.
President Trump's plans to ease the financial pressures on Americans are bold but could backfire, experts said.
U.S. Army Pfc. Wilbert Linsenbardt died when his daughter was 4 months old, and received photos of her, according to a newspaper article from the time.
Scott Adams, the cartoonist who created the "Dilbert" comic strip, has died at the age of 68, his first ex-wife revealed on Tuesday.
Republican Rep. James Comer of Kentucky, the committee's chairman, said the panel will move next week on holding them in contempt.
White House press secretary Karoline Leavitt said Monday that Mr. Trump would be "talking about all of the great economic news."
President Trump's plans to ease the financial pressures on Americans are bold but could backfire, experts said.
Capping credit card interest rates at 10% could save consumers billions of dollars, but potentially hurt lower-income Americans, experts said.
The heads of 10 central banks and other financial institutions say it's "critical to preserve" the Fed's independence, as Powell is pressured by the Trump administration.
Although there are signs that inflation is starting to ease, consumers still face pressures from high food prices and other costs.
White House press secretary Karoline Leavitt said Monday that Mr. Trump would be "talking about all of the great economic news."
The comments come ahead of Wednesday's meeting between the foreign ministers of Greenland and Denmark, Vice President JD Vance and Secretary of State Marco Rubio.
Republican Rep. James Comer of Kentucky, the committee's chairman, said the panel will move next week on holding them in contempt.
The U.S. government is revoking the legal status of several thousand immigrants from Somalia.
At least six prosecutors, most of whom are supervisors in the Civil Rights Division's criminal section, will be leaving their jobs.
The largest nurses strike ever in New York City is underway as thousands of NYSNA members walk off their jobs at major hospitals.
"Make America Healthy Again" policies driven by HHS Secretary Robert F. Kennedy Jr. have made major strides in state legislatures, with food additives among the most common targets.
Oprah Winfrey is one of the best-known, most-admired and successful people on the planet. But for years she seemed powerless to conquer her fluctuating weight problem … until new medications, and a new attitude about her weight, gave her a breakthrough, which she describes in "Enough," a new book she has co-written with Dr. Ania Jastreboff. They talk with Jane Pauley about an individual's genetically-influenced weight range, and how to reset it. Winfrey also relates the long road she traveled since she began her TV career in Nashville, facing sexism, racism, and comments about her weight.
The potential for a major nurses strike in New York City is growing by the minute, with major hospitals and the New York State Nurses Association failing to get a deal done before Sunday's midnight deadline.
As millions of Americans struggle with paying for health care, doctors and health experts discuss how medical care is being eroded by insurers denying necessary tests and treatment, making it "more difficult to be healthy in the United States."
Children and the elderly are among the dead, as well as a professional elephant handler, officials said.
The comments come ahead of Wednesday's meeting between the foreign ministers of Greenland and Denmark, Vice President JD Vance and Secretary of State Marco Rubio.
Information trickling out of Iran suggests a far deadlier crackdown on protesters than previously reported.
The heads of 10 central banks and other financial institutions say it's "critical to preserve" the Fed's independence, as Powell is pressured by the Trump administration.
British public broadcaster BBC wants a Florida court to throw out Trump's lawsuit, with lawyers arguing a lack of jurisdiction.
Francois Arnaud joins "CBS Mornings" to talk about the popular series "Heated Rivalry," based on the "Game Changers" book series. It follows rising hockey stars Shane Hollander and Ilya Rozanov. What begins as a fling between two rivals turns into a yearslong journey of love, denial and self discovery. Arnaud plays Scott Hunter, a closeted gay professional hockey player in the same league who has fallen in love with a smoothie shop worker. He talks about the message in the series and how it developed into a hit show.
Scott Adams, the cartoonist who created the "Dilbert" comic strip, has died at the age of 68, his first ex-wife revealed on Tuesday.
Celebrities brought glitz and glamor to the red carpet Sunday at the Golden Globes. "CBS Mornings" co-host Gayle King spoke with some of Hollywood's biggest stars and gives a behind-the-scenes look at the awards night.
The NAACP Image Awards celebrate the outstanding achievements and performances of people of color in arts and entertainment. Comedian and actor Deon Cole and NAACP President and CEO Derrick Johnson exclusively reveal some of the nominees on CBS Mornings for this year's awards.
Bob Weir, a co-founder and guitarist for the iconic rock band the Grateful Dead, has died at 78. Anthony Mason looks back at Weir's life and music career.
Ashley St. Clair, the mother of one of Elon Musk's children, alleges Grok generated and published sexual deepfake images of her without permission.
Elon Musk's AI chatbot Grok is facing intense criticism, accused of allowing X users to generate sexually explicit images of real women and children. One of the alleged victims is Ashley St. Clair, the mother of one of Musk's children. She said she discovered people used Grok to generate and publish sexualized deepfake images without her permission and share them on X. Musk has not responded to a request for comment.
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.
British regulators are investigating X for lewd AI images generated by Grok, the AI arm of Elon Musk's social platform. Michael Goodyear, an associate professor at New York Law School, joins CBS News with more.
Defense Secretary Pete Hegseth says the Pentagon will start using Elon Musk's AI chatbot Grok. The word comes days after Grok drew global outcry for generating highly sexualized deepfake images.
Fossilized bones and teeth dating to 773,000 years ago are providing a deeper understanding of the emergence of Homo sapiens.
If you rang in the new year with a kiss, you took part in a tradition millions of years in the making. Scientists now say the origins of kissing go back much farther than most think. CBS News' Tina Kraus has more.
2025 was the third hottest year on record and pushed Earth past a critical climate change mark, scientists say.
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.
President Trump posted on social media about the expanding Minnesota ICE raids and promised a day of "RECKONING & RETRIBUTION" is coming. CBS News' Lana Zak reports.
The state of Minnesota, and the cities of Minneapolis and St. Paul, are suing the Department of Homeland Security and several Trump administration officials over the massive operations involving federal law enforcement. CBS News' Lana Zak has more.
Investigators say Stephen Spencer Pittman admitted to starting a fire at Mississippi's largest synagogue. Newly obtained video shows a man dousing Jackson's Beth Israel Congregation with liquid from a gas container. Jason Allen reports.
More than 1,500 pounds of methamphetamine were seized from clandestine laboratories in Mexico, authorities said.
Patrick Wei, a former U.S. Navy sailor who sold manuals for ships and operating systems to an operative working for China, was sentenced to more than 16 years in prison, prosecutors said.
Crew-11 is preparing for an unprecedented early return to Earth over concerns for an astronaut's medical condition aboard the International Space Station. Mike Massimino, a former NASA astronaut and engineering professor at Columbia University, joins with more.
Four members of Crew-11 are preparing to return to Earth from the International Space Station later this week after a "medical concern" prompted NASA to cancel a scheduled spacewalk. Former astronaut Dr. Scott Parazynski joins with his reaction.
Outgoing space station commander Mike Fincke, a member of the returning Crew 11, turned the station over to cosmonaut Sergey Kud-Sverchkov, saying the combined crew had developed deep friendships.
Mike Fincke thanked NASA for making crew health the agency's top priority.
NASA officials reported Thursday that an unidentified member of Crew 11 was dealing with "a medical situation" that would require the crew to return to Earth sooner than anticipated.
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
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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.
Scott Adams, the artist who created the "Dilbert" cartoon, died at 68, his ex-wife announced on Tuesday. CBS News' Shanelle Kaul has more.
Officials in St Louis are searching for multiple loose monkeys that were first spotted last Thursday. CBS News' Shanelle Kaul reports.
Former President Bill Clinton is refusing to appear before the House Oversight Committee to testify as part of its investigation into Jeffrey Epstein. CBS News congressional correspondent Nikole Killion has more.
The Supreme Court is hearing arguments Tuesday over the years-long debate on transgender athlete bans. CBS News' Katrina Kaufman has the latest.
ENCORE: A woman is discovered shot dead in her car with a blood covered man alive on the ground. The man says he has no memory of how he got there. Investigators unravel the strange scene. "48 Hours" correspondent Peter Van Sant reports Saturday, Jan. 17 at 9/8c on CBS and streaming on Paramount+.