It’s not just in your head — time can actually flip. Physicists in New York have pulled off what sounds like a page ripped from a sci-fi script: They’ve confirmed that “time mirrors,” a trippy ...

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.

People have been obsessed with cheating death for millennia, but until recently, little had been understood about how to extend life—or if it was even possible. Scientists now say they are getting ...

At Melbourne Elementary School in north-central Arkansas, time for science is a priority—even for the youngest students. Starting in kindergarten, teachers dedicate 30-40 minutes for the subject each ...