Learn about the time period that took place 65 to 23 million years ago. 3 min read At the dawn of the Paleogene—the beginning of the Cenozoic era—dinosaurs, pterosaurs, and giant marine ...

Several factors contributed to the survival of crocodiles, turtles, lizards and birds 66 million years ago, say our readers ...

A new study questions this scenario. Using groundbreaking empirical measurements of sulfur within the related Cretaceous-Paleogene (K-Pg) boundary layer, the international team has demonstrated ...

This is a serious loss for both the state and the country. The site is deep in the forest. Despite the villagers’ best ...

Seventy-five percent of life on Earth was obliterated after the asteroid impact at Chicxulub, which took place 66 million years ago. Until now, scientists have proposed various theories about the ...