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

Rain gauges did not exist millions of years ago. Instead, researchers turn to indirect clues left behind in rocks, soils, and ...

One of the standout findings from the Paleogene record is that rainfall patterns shifted dramatically during periods of ...

To understand how global warming could influence future climate, scientists look to the Paleogene Period that began 66 million years ago, covering a ...

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