A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how ...

For years, scientists believed that dinosaurs first emerged in Gondwana—the southern portion of the ancient supercontinent ...

They lived about 30 million years apart and never set foot on the same continent. Yet Giganotosaurus carolinii is always ...

Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.

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 ...

Dinosaurs inhabited the Northern Hemisphere millions of years earlier than scientists previously thought, according to the ...

The dinosaur species survived in the wild by staying close to one another to discourage predators and keep one another in ...

Scientists have discovered a ‘dinosaur highway’ at a limestone quarry in southeast England. They uncovered five extensive ...

A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...

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.

Four giant herbivores and one predator walked across the same spot in modern-day England. “It’s the closest we’ll get to a time machine,” said one of the lead excavators.

The museum field crew's find is not just a new species — it's the oldest dinosaur ever discovered in the northern hemisphere.