We know the main reason that the age of the dinosaurs came to an end: an asteroid impact on the Yucatán Peninsula some 66 million years ago. But how the dinosaurs’ reign began is far less clear—and ...

The James Webb Space Telescope has uncovered traces of colossal, short‑lived stars that blazed out in the universe’s first few hundred million years, leaving behind only their violent signatures.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A newly identified dinosaur species from ...

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 ...