Particle never before seen on Earth detected; it could come from a primordial black hole and the origin of the universe.

From a deadly shooting to major fires, a plane crash and now a gas explosion, Nashua has faced a string of major emergencies over the past year. City leaders said Monday's gas explosion on Amherst ...

College exams used to be a two-hour sprint packed with months of material. But now at some of America’s most prestigious universities, they’re turning into logistical marathons. And one of the fastest ...