U nderstanding ancient ocean temperatures—particularly from the Cenozoic era (the past 66 million years), in which Earth experienced dramatic climate shifts—helps scientists reveal more about ...

And 64 million years after dinosaurs went extinct, modern humans emerged in the Cenozoic era. The planet has seen an incredible series of changes—discover them for yourself.

3 min read At the dawn of the Paleogene—the beginning of the Cenozoic era—dinosaurs, pterosaurs, and giant marine reptiles were conspicuously absent from the face of the Earth. Rodent-size ...

Primates are smart, flexible, and adaptive creatures. How have they responded to changes in climate over millions of years? Climate is the major factor that determines where a species can and ...

He added, "We haven't seen that in anything modern." After the scientists were unable to match the fossil to Cenozoic-era plants, they concluded it came from an extinct plant family. Then ...

The first geomagnetic polarity time scale that covered the entire Cenozoic era was constructed in the early days of the plate tectonic revolution in the late 1960s from a few carefully selected marine ...