US energy use hit 30-year low during pandemic shutdowns

U.S. energy consumption plummeted to its lowest level in more than 30 years this spring as the nation's economy largely shut down because of the coronavirus, federal officials reported Wednesday.

Mystery solved: Scientists trace source of Stonehenge boulders

Stonehenge, a Neolithic wonder in southern England, has vexed historians and archaeologists for centuries with its many mysteries: How was it built? What purpose did it serve? Where did its towering sandstone boulders come ...

Study sheds light on the evolution of the earliest dinosaurs

The classic dinosaur family tree has two subdivisions of early dinosaurs at its base: the Ornithischians, or bird-hipped dinosaurs, which include the later Triceratops and Stegosaurus; and the Saurischians, or lizard-hipped ...

page 1 from 11