This “Back to the Future” superfan’s hand-built DeLorean time machine may look exactly like the one from the movie, but it still does need roads. And it recently drove down one that’s considered among ...

Physicists at MIT have created a time-reversal machine that can measure vibrating atoms. The vibrations between atoms hold a lot of information. And, if scientists can even figure out how to ...

In the movies, time travelers typically step inside a machine and—poof—disappear. They then reappear instantaneously among cowboys, knights or dinosaurs. What these films show is basically time ...