Sulfur is one of the most abundant elements in the universe. If you peer into a diffuse interstellar cloud, you find loads of it—about the amount expected based on fusion patterns in the stars it was ...

Physicists have solved a long-standing problem involving systems that appear to violate Newton’s third law, such as bird ...

Will England finally bring it home? Can Argentina defend their crown? Will France and Spain challenge once again? Or could one of the host nations pull off a surprise? Put your football knowledge to ...