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 ...

This event occurred across the world and witnessed the loss of around 75 percent of all species of animals during a very narrow point of time – the boundary between the Cretaceous and Paleogene ...

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 ...