From utopian dreams to dystopian warnings, time travel fiction reflects our hopes and fears for humanity’s future. Courtesy the publishers For decades, authors and readers have been asking questions ...

Recent scientific breakthroughs are making concepts once confined to science fiction, like time travel, seem tantalizingly closer to reality. From the potential of humans living to 1,000 years to the ...

Add Yahoo as a preferred source to see more of our stories on Google. GPS satellites must account for and correct for time dilation For centuries, humans have thought of time as a linear concept - but ...

A new study could offer some hope for reinstating and rejuvenating old memories. The idea builds off a theory based around "mental time travel," which suggests mentally traveling back to the time of a ...

Have you ever fantasized about going back in time to relive a moment — or change it? Maybe you’re more interested in traveling to the future where cars fly and the code to immortality has been cracked ...