Learn how the extinction of dinosaurs around 66 million years ago caused seeds to grow larger, filling in an important piece ...

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 ...

In the Palaeogene, the continents drifted even closer to their present-day positions, and during the following Neogene Period the world was cooler and the effects of seasonality were more widely felt.

Plant life proliferated during the Maastrichtian period. However, intensifying volcanic activity closer to the Cretaceous-Paleogene boundary significantly disrupted it. Sparse vegetation ...