A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how dinosaurs spread across the globe. When you purchase through links on ...

A chicken-sized dinosaur fossil is challenging the mainstream view of how and when reptiles spread to the Northern Hemisphere, new research revealed. Until recently, many scientists believed there ...

Disney’s “Dinosaur” features Gallimimus briefly as a part of the herd seeking the nesting grounds through the desert. One of the “chicken mimics” succumbs to exhaustion and is scavenged ...

bahndooiveche and positively identified it as a dinosaur. "It was basically the size of a chicken but with a really long tail," said Lovelace in a press release. "We think of dinosaurs as these giant ...

In a study published in the Zoological Journal of the Linnean Society, researchers described a previously unknown, chicken-sized dinosaur species named Ahvaytum bahndooiveche. The description of ...

The first dinosaurs may have evolved near the equator, and not in the southwest of the supercontinent Gondwana, as ...

The small, chicken-sized creature, dubbed Ahvaytum bahndooiveche, is now the oldest known Laurasian dinosaur, and is even "comparable in age" to the earliest known Gondwanan dinosaurs, the University ...

Fossilized Dinosaur Vomit and Poop Exposes a Surprising Jurassic Snack “It was basically the size of a chicken but with a really long tail,” said Lovelace. “We think of dinosaurs as these ...

Credit: Jeff Miller Think of a chicken with an incredibly long tail, explained Dave Lovelace, a scientist at the University of Wisconsin’s Geology Museum. Dinosaurs didn’t start as the colossal ...

The mystery behind the origins of the dinosaurs may have been given a new twist, with a modeling study suggesting they may have evolved in what is today equatorial Africa and South America. This would ...

A rendering of how the chicken-sized dinosaur may have looked about 230 million years ago. Illustration by Gabriel Ugueto, courtesy the University of Wisconsin-Madison A chicken-sized dinosaur ...