New US exhibit probes dinosaur mysteries

Dinosaurs have captivated the public for decades, but a new US exhibit aims to show that there is still much about the giant reptiles that baffles experts and amateurs alike.

Terrifying pterosaurs were fragile in flight

Pterosaurs, the largest creatures ever to take to the skies, were adept fliers in a balmy breeze but would have crashed in stormy weather, according to a study published Wednesday.