See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The mystery behind the origins of the dinosaurs may have been given a ...

Learn about the new estimate for the emergence of dinosaurs, which may have occurred 250 million to 240 million years ago.

In the early Triassic period, the Earth experienced extreme heat, turning large land areas uninhabitable. New research reveals that some ancient reptiles managed to survive and migrate through harsh ...

The research addresses a significant gap in current knowledge: the first 30 million years of dinosaur evolution during the Late Triassic period. Although much is known about their lives and extinction ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A fossil site of "unique importance" has shed light on a lost prehistoric ecosystem where early dinosaurs roamed more ...

Long before dinosaurs became dominant, the Triassic world was ruled by archosaurs whose true behavior is still debated by ...

WASHINGTON (Reuters) - Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos ...

In Paraíso do Sul in southern Brazil, scientists discovered a fossil of a dog-sized reptile dating back to 237 million years ago. The creature, a newly described species named Gondwanax paraisensis, ...