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

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

Paleontologists have announced the discovery of "North America's oldest dinosaur." The find challenges the consensus view on the origins of these extinct reptiles. In a study published in the ...

Nearly 200 Jurassic footprints found in southern England reveal new insights into 166 million-year-old prehistoric creatures, ...

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

This discovery challenges the long-held belief that dinosaurs originated exclusively in the southern supercontinent, Gondwana.

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

How and when did dinosaurs first emerge and spread across the planet more than 200 million years ago? That question has for ...

For decades, paleontologists have debated how and when dinosaurs emerged and spread across the planet more than 200 million ...