Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that describe gravity, quantum fields and the structure of spacetime now allow ...

Ron Mallett, a physicist and professor emeritus at the University of Connecticut, was just 10 years old when he lost his father to a sudden heart attack. This traumatic experience, along with ...

Denison University will host a free roundtable discussion on time travel on Nov. 5. The event features experts in philosophy, English and physics and astronomy. Panelists will discuss the possibility ...

Scientists have taken one more step down the very long road to time travel. A new paper combines the Alcubierre “warp” drive with the idea of “controlled closed timelike curves.” Though far out, ...

In the moments before the Big Bang, our universe was a hot, dense, and extremely high-energy place. That all changed when the universe exploded 13.8 billion years ago. Rapid inflation divided a single ...

This month marks 40 years since Michael J. Fox, as Marty McFly, jumped into a souped-up DeLorean and went back in time, putting his very future existence at risk. (SOUNDBITE OF FILM, "BACK TO THE ...

Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Time travel is a fan-favorite, but it’s the bane of every sci-fi TV writer’s existence. The subgenre demands foolproof internal logic that consistently holds up to increasingly intricate plotlines. So ...