Xenacanthus was a 3-to-5-foot freshwater shark which fed on crustaceans and small fish. It lived from the end of the Devonian ...

Abraham Lincoln and Charles Darwin helped shape the modern world. Illustration by Joe Ciardiello We are all pebbles dropped in the sea of history, where the splash strikes one way and the big ...

Should Lincoln step up its game and launch a new land yacht? This rendering artist believes it would be a good idea and so do ...

In a world first, a team led by researchers at Penn State used two-dimensional materials, which are only an atom thick and ...