At the turn of the century, it sounded as if string theory could give us big answers about the universe. Well… has it?

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called ...

Hurricane Melissa, which struck Jamaica with record-tying 185 mph winds Tuesday, was a beast that stood out as extreme even in a record number of monster storms spawned over the last decade in a ...