Animals May Have Evolved 200 Million Years Earlier Than We Thought
A diorama of some of the earliest animals on Earth. Image via Wiki Commons. An ancient fossil bed…
Ancient Earth Repeatedly Thawed during Catastrophic Ice Ages, New Research Suggests
Earth experienced extreme climate swings during the Neoproterozoic epoch (one billion to 538.8 million years ago), including the…
Earth’s Longest Ice Age May Have Repeatedly Thawed and Refrozen for 56 Million Years
Artistic representation of a Snowball Earth. Credit: Wikimedia Commons. The Sturtian glaciation was one of the most extreme…
Seasonal and Multi-Decadal Climate Cycles Persisted during Snowball Earth, Scientists Say
A new analysis of exquisitely preserved laminated rocks (varves) from the Port Askaig Formation on the Garvellach Islands,…
Scientists Found the Coldest Seawater in History from when Snowball Earth Reached Freezing Temperatures of Minus 15° Celsius
Illustration of “Snow Ball” Earth. Earth froze over 717 million years ago. Ice crept down from the poles…
Carbon dioxide: the stuff of life
50484.jpeg None Peter Brannen has an uncompromising opinion about carbon dioxide. It is the most important compound that…