A225-million-year-old fossil discovered in Africa is rewriting the story of how dinosaurs first emerged. The fossilized leg bone, belonging to a little-known group of reptiles called silesaurs, ...

Add Yahoo as a preferred source to see more of our stories on Google. Using the James Webb Space Telescope, astronomers may have discovered the first evidence of dinosaur-like monster stars that ...

A previously untapped source of data sheds new light on the climate of the early Earth: fossilized dinosaur teeth show that the atmosphere during the Mesozoic era, between 252 and 66 million years ago ...

"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a million years." When you purchase through links on our site, we may earn an ...