Modern humans have existed for only a tiny fraction of Earth’s history. During that time, our species has survived ice ages, ...
More than 350 million years ago something odd was going on with the Earth's magnetic field. Scientists now propose that the field was really weak, which may have affected life on our planet. The ...
The late Devonian extinction, about 370 million years ago, is one of the 'Big Five.' It killed up to 80 percent of species, obliterating the lavish Devonian coral reef ecosystem. The final pulse in ...
The newest exhibit at The Academy of Natural Sciences of Drexel University will give visitors a glimpse into the world millions of years ago. "Life Onto Land: The Devonian" centers around the crucial ...
Klipbokberg, Grootrivierhoogte, in the Cederberg. These mountains contain clues about ancient landscapes. Cameron Penn-Clarke The Earth was a very different place 400 million years ago, during what’s ...
THE tract of Devonian rocks which stretches through the north of France and Belgium, and across Rhenish Prussia into Westphalia and Nassau, has furnished ample materials for geological disquisition.
M. P. VENUKOFF has recently given a general sketch of o the Devonian rocks of Russia. As is well known, these rocks, so largely developed in Russia, contain such a peculiar fauna that geologists have ...