ATLANTA — There’s usually nothing wrong with experimenting in a friendly game before a World Cup. But on Saturday, a big experiment by the U.S. men’s soccer team blew up and left a mess. After three ...

Scientists at the University of Cambridge have developed a new way to alter complex drug molecules using light rather than ...

Add Yahoo as a preferred source to see more of our stories on Google. The federal government’s role in health care was settled to a large extent when Congress passed, and then failed to repeal, the ...