Time travel has long lived in the realm of fantasy, but a growing body of research is quietly shifting it into a serious ...

Even if it turns out that time loops never take shape, studying them provides key insights into the deepest rules of reality.

From H. G. Wells's The Time Machine to Christopher Nolan's Interstellar, the possibility of travelling through time has fascinated people for centuries. But, although it sounds like pure science ...

Ron Mallett, a physicist and professor emeritus at the University of Connecticut, was just 10 years old when he lost his father to a sudden heart attack. This traumatic experience, along with ...