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Ordovician Chronostratigraphic Chart

August 12, 2013

Ordovician Carbon Isotope Curve

June 25, 2015

International Chronostratigraphic Chart (v2016/04)

May 23, 2016

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Arches National Park

May 9, 2016

Mammal diversity exploded immediately after dinosaur extinction

December 22, 2015

Teleocrater, an early dinosaur relative, is shown feeding on Cynognathus, while hippo-like dicynodonts look on. All of these animals lived in the mid-Triassic of Tanzania, about 240 million years ago.

Decade of fossil collecting gives new perspective on Triassic period, emergence...

March 29, 2018

New Australian pterosaur may have survived the longest

October 3, 2019

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Aerial view of Villarica volcano.

Scientists eavesdrop on volcanic rumblings to forecast eruptions

Several types of dinoflagellates are shown in this microscope image. Some dinoflagellates are classified as nanoplankton, which new research shows have a more important role in Earth’s biological pump than previously thought. Credit: fickleandfreckled, CC BY 2.0

The Role of Midsized Phytoplankton in Earth’s Biological Pump

Volcanoes get quiet before they erupt

New insights into the mechanisms into how ungulates got bigger in...