Physicists have demonstrated that waves can bounce off boundaries in time, not just in space, producing signals that behave as time-reversed copies of the original. These experiments, conducted in ...

Time travel has long lived in the realm of fantasy, but a growing body of research is quietly shifting it into a serious scientific conversation. Instead of DeLorean-style leaps into the past, ...

Predestination doesn’t waste time trying to explain the time travel technology, and it doesn’t need to, because it’s so coherent and straightforward, you naturally see that it makes sense right away.