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

Time travel has long been a topic of science fiction, filled with thrilling possibilities and mind-bending problems. The most famous of these problems is the "grandfather paradox". If someone travels ...

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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The astrophysicist talks 'Back to the Future' for movie's 30th anniversary. — -- Today marks the 30th anniversary of "Back to the Future" hitting theaters and launching Michael J. Fox into super ...

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 ...

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 ...