Add Yahoo as a preferred source to see more of our stories on Google. An illustration of the Devonian period fish, Dunkleosteus, preying on eurypterids (sea scorpions), which in turn were feeding on ...

Diverse and full of sea life, the Earth's Devonian era—taking place more than 370 million years ago—saw the emergence of the first seed-bearing plants, which spread as large forests across the ...

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 planet's trees have seen plenty of history pass by their trunks. In fact, they began to populate Earth 385 million years ...

The Devonian (419.2-358.9 Ma) is the first geological period of the late Paleozoic, spanning about 60.3 Ma from the end of the Silurian, and its beginning is marked by the First Appearance Datum (FAD) ...

During the Devonian period, trees began to populate the Earth. But they also created soil, and the runoff changed the chemistry of the oceans. The evolution of some of the very species that now ...

Around 400 million years ago, during a geological era often celebrated by paleontologists as the "Age of Fishes," the global ...

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 ...

Safe distance: supernova SN 1987A as seen by the ESO Schmidt Telescope. Located 168,000 light-years away, this object posed no danger to Earth. (Courtesy: ESO) The explosion of a nearby star could ...