North America, dinosaur

230 million-year-old dinosaur is oldest ever discovered in North America — and changes what we know about how they conquered Earth
A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how dinosaurs spread across the globe.
Dinosaur discovery in North America is completely rewriting their history
Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.
'North America's Oldest Dinosaur' Discovered, Challenging Dino Origin Story
But this is where Ahvaytum may rewrite the origin story because it originates from the North American landmass, which once formed part of Laurasia. At roughly 230 million years old, it is comparable to the oldest known dinosaurs from Gondwana.
Dinosaur history rewritten by fossil discovery of chicken-sized dinosaur, experts say
Dinosaurs inhabited the Northern Hemisphere millions of years earlier than scientists previously thought, according to the new research.
Fossil Discovery Rewrites Global Dinosaur History
"We think of dinosaurs as these giant behemoths, but they didn't start out that way." With a recent radioisotopic analysis of the fossil specimens dating the remains to around 230 million years old, this tiny 'terrible lizard' named Ahvaytum bahndooiveche is now the oldest-known dinosaur from Laurasia,
20 Unbelievable Dinosaur Discoveries That Completely Rewrite History
Dinosaurs, the colossal creatures that dominated the Earth millions of years ago, have long fascinated scientists and the public alike. Each new discovery not only ignites imaginations but also deepens our understanding of these prehistoric giants.
Oldest dinosaur in America? 230-million-year-old previously unknown species upends existing knowled
For years, scientists believed that dinosaurs first emerged in Gondwana—the southern portion of the ancient supercontinent ...
The Largest Carnivorous Dinosaur May Not Have Been T. Rex
They lived about 30 million years apart and never set foot on the same continent. Yet Giganotosaurus carolinii is always ...
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13-year-old girl’s 130-million-year-old dinosaur discovery identified as killer species
The dinosaur species survived in the wild by staying close to one another to discourage predators and keep one another in ...
What is the ‘dinosaur highway’ uncovered by scientists in England?
Scientists have discovered a ‘dinosaur highway’ at a limestone quarry in southeast England. They uncovered five extensive ...
230 Million-Year-Old Fossil From Wyoming Challenges Dinosaur Origin Theories
A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...
The First ‘Burrowing Dinosaur’ Was Discovered In 2007—And We’ve Just Discovered The Second, 17 Years Later
Meet Fona herzogae: the tiny dinosaur that burrowed its way into paleontological history—who rewrote just about everything we know about survival in the age of giants.
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Hundreds of Dinosaur Footprints Emerge in U.K. Quarry Dig
A dig at a limestone quarry in Oxfordshire in the U.K. has yielded a massive, downright prehistoric find: hundreds of ...
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UW Geology team discovers a brand new dinosaur
The museum field crew's find is not just a new species — it's the oldest dinosaur ever discovered in the northern hemisphere.