We’ve all felt it at some point or another—the eerie feeling of familiarity during an experience that’s actually happening for the first time. This strange phenomenon, known as “déjà vu,” has eluded ...

The experience of déjà vu is both fascinating and unsettling—a fleeting moment where you feel as if you’ve lived through a situation before, even though you know it’s happening for the first time. For ...

Have you ever had that weird feeling that you’ve experienced the same exact situation before, even though that’s impossible? Sometimes it can even seem like you’re reliving something that already ...

In the “Cause and Effect” episode of the television show Star Trek: The Next Generation, the starship Enterprise was caught in a time loop. A fatal collision with another space-faring vessel had ...