Now, evidence suggests that some of these spiral-shaped species did manage to persist after all. Recent analysis of ammonite ...

In the aftermath of the giant asteroid that crashed into the Yucatan Peninsula about 66 million years ago, approximately 75% ...

Evidence for ammonite survival into the Paleogene era is solid, a new study confirms, indicating that these ancient mollusks ...

Fossils from Denmark suggest ammonites survived the asteroid extinction far longer than believed, raising new questions about ...

When most people think of massive snakes, the first one that comes to mind is the anaconda. Anacondas might be the largest ...

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 reptiles were ...

Figure 1: Winter atmospheric circulation in Asia during Quaternary and Eocene times. With the aim of reconstructing the direction(s) of pre-Miocene winds blowing dust into the Xining Basin, we ...

American Journal of Botany, Vol. 69, No. 2 (Feb., 1982), pp. 275-286 (12 pages) The Juglandaceae (walnut family) has an excellent fossil record of various organs extending back to the earliest ...

A new study led by scientists at the University of Bristol has warned that unless we mitigate current levels of carbon dioxide emissions, Western Europe and New Zealand could revert to the hot ...

A new study has warned that unless we mitigate current levels of carbon dioxide emissions, Western Europe and New Zealand could revert to the hot tropical climate of the early Paleogene period -- ...