Researchers Uncover a Chicken-Sized Beast, Reveal It Is Not Only the Oldest Dinosaur but the First of Its Kind to Grace Earth ...

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 ...

Where did the first dinosaurs come from? A new paper suggests that their elusive remains may lie buried in some of the ...

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

Paleontologists released a new report last week showing that the earliest dinosaur ever discovered in North America is from ...

Meet Ahvaytum bahndooiveche, a dinosaur slightly larger than a chicken, with a long tail, beaklike mouth and feathers. It ...

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

The researchers also found evidence that silesaurids, long thought to be cousins of dinosaurs, might actually be ancestors of ...

A small dinosaur has made a big change in the field of paleontology.

Research suggests dinosaurs first appeared in the ancient Gondwana supercontinent, including areas that are now the Amazon ...

Dinosaur fossils discovered by paleontologists working with the University of Wisconsin-Madison have been determined to be ...

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 ...