In a nutshell New research challenges long-held beliefs about dinosaur origins, suggesting they first evolved in Earth’s ancient tropical regions rather than in southern areas where their oldest ...

These lived during the Triassic period and are typically not considered ... representing a rare example of a Triassic ...

Learn about the time period that took place 251 to 199 million years ago. 3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a ...

The fossil, dating back approximately 193 million years to the Early Jurassic period, could represent the oldest known representative of the Ornithischia group in the region. Led by Xi Yao from ...

Earth’s continents are constantly shifting. About 252 to 199 million years ago, all the continents were actually one huge “supercontinent” surrounded by one enormous ocean. Slowly, this ...