3 min read During the Ordovician period, part of the Paleozoic era ... For the most part the Earth's climate was warm and wet, with sea levels rising as much as 1,970 feet (600 meters) above ...

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Global climate during the Ordovician was generally warmer (compared ... The oldest rocks, including the beds of southwestern Ohio near Cincinnati, were formed during the Late Ordovician Period. These ...

The climate remained warm and stable throughout most of the Silurian. The supercontinent of Gondwana was still positioned over the South Pole but the vast icecaps of the late Ordovician period ...

A new study suggests that extreme temperatures could lead to a mass extinction event, ending the reign of humans and mammals ...

This theory sheds light on the presence of an unusual density of impact craters around the equator dating back to the Ordovician period, approximately 460 million years ago. Such a ring could have ...

Scientists observed that all examined craters are situated within 30 degrees of the equator. This concentrated impact area, ...

At the end of the last global ice age, the deep-frozen Earth reached a built-in limit of climate change and thawed into a ...

As the climate cooled, an ice sheet advanced and plowed the forest ... Cincinnatian Series - The layer of exposed bedrock in southwestern Ohio composed of rock from the Upper Ordovician period.

Negotiators at the summit in Azerbaijan fear that the return of Donald Trump will sap momentum for global climate action. By Brad Plumer and David Gelles Darren Woods was one of only a few ...

Until recently, scientists thought arthropods flourished during the Cambrian Period (538 million to 485 million years ago), which came before the period in which the specimen found by Parry's team ...