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 ...

We think of mass extinctions as brief moments of havoc — profoundly devastating but over within a geologic instant. The Devonian, the second of the so-called "Big Five,” defies this notion. If the ...

On the sidewalks of Inverness, remnants of ancient fish from the Devonian period have been spotted by a keen eye. Their discovery casts new light on the geological history of this Scottish region.

Q: What do we know about the environment in which the transition to land occurred? NS: Back in the Devonian, north central Pennsylvania was very different from today, where you now find a river valley ...

The Devonian Mass Extinction wiped out 70 percent of life from our planet some 360 million years ago, but what caused the deadly event has remained a mystery- until now. The animals, mostly marine ...