Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

One Vanderbilt University researcher thinks time travel might not just be for the movies. (Credit: Wikimedia Commons). Time ...

The idea of time-travel paradoxes has been explored in science and the popular imagination alike, but some researchers think ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if ...

With season 7 of "Outlander" swiftly coming to an end, many may find themselves in that oh-so melancholic state of wallowing ...

For the three Latino kids transported to 1862 Mexico in Emma Otheguy’s latest novel, the outcome of the American Civil War ...

“Casey is an enigma wrapped in a mystery…” executive producer Alexandra Clarke jokes to TV Insider. “The ripple effect of ...

Even though we might not NEED these time travel board games, I will still want them. So get your flux capacitors ready, ...