On February 5, 1918, the U.S. 102nd Infantry reached the front lines of France at Chemin des Dames, north of Soissons. Heavy artillery gunfire and grenade assaults from the Central Powers soon followed. After days and nights of shelling, the exhausted U.S. ...read more

Most people know about the theory that a giant asteroid contributed to killing off the dinosaurs some 66 million years ago, but perhaps less well known is that an earlier mass extinction event helped to give rise to the reign of dinosaurs. A new study, published in the journal ...read more