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.
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.
Bipartisan Senate talks aimed at ending the government shutdown continue as the FAA said it would cut airline capacity in dozens of markets.
The FAA's plan to slash airline capacity due to the government shutdown could hit some of the nation's busiest airports, including in Atlanta, Dallas, New York City and Los Angeles, according to a proposed list obtained by CBS News.
Apple called out European officials in a heated letter shared with CBS News, arguing regulations that force it to accommodate smaller rivals have harmed user safety — after President Trump threatened tariffs on countries with hardline tech rules.
Dan Owen and his son Cooper were attacked by the insects at the Green Jungle Park, as they were descending from a tree at the end of the zip line.
DHS said an ICE officer was seriously injured Monday after being struck in the face with a metal coffee cup during an arrest operation in Houston.
The number of fatalities may increase after a UPS plane crashed Tuesday near the Louisville International Airport in Kentucky, Gov. Andy Beshear said.
Entering the mayoral race with under 1% support, Zohran Mamdani's prospects of winning initially seemed unlikely. Here are some of the ways he turned the race around.
Here's the county-by-county analysis of Democrat Mikie Sherrill's victory in the 2025 New Jersey governor's race from CBS Elections Data Desk.
A federal judge on Wednesday issued a temporary restraining order requiring federal authorities to maintain certain sanitary conditions inside the ICE facility in Broadview, while also guaranteeing detainees contact with their attorneys.