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 ...

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 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 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.

Aug. 18 (UPI) --New research suggests harmful cosmic rays from a nearby supernova might have caused the extinction events that form the boundary between the Devonian-Carboniferous periods. Around 360 ...

A Michigan shoreline near Alpena turns into a fossil playground when low water exposes limestone from an ancient Devonian tropical ocean. The rocks are packed with crinoid stems, bryozoans, horn coral ...

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 ...