Dubbing these “closed timelike geodesics” (CTGs), Ralph and Sajeendran explain in the paper: “Such a CTG would be ideal for ...

If traveling into the past is possible, one way to do it might be sending people through tunnels in space. by raggio5 via Pixabay Have you ever dreamed of traveling through time, like characters do in ...

As everyone knows, time travel is a major theme in science fiction. Who hasn’t fantasized about revisiting the past or ...

Time travel has long been a staple of science fiction, captivating imaginations with the possibility of moving through time as easily as we travel through space. However, the question remains: how ...

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 ...

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 ...

If time travel is possible, one of the greatest questions is why don’t we see time travelers in the here and now. A new theory explores the idea that time travel creates its own destruction by ...

The dream of interstellar travel has captured science fiction for decades, but the physics of distance, energy, and time make ...