The idea of time travel has been intriguing experts for centuries, with many claiming the feat would be impossible. However, one scientist believes it one day will become a reality, but it will ...

Parallel universes are something any sci-fi fan worth their salt knows about thanks to decades of pop culture, where they have depicted everything from an evil Mr. Spock with a goatee to a ...

Would-be time travellers have long wrestled with the grandfather paradox: if you change things in the past and prevent yourself ever existing, how did you time travel in the first place? In other ...

Use left and right arrow keys to seek audio. I thought I was reading the story line to a TV show like Fringe, Lost, or one of my new favorites: Dark -- but nope, this is real. NASA scientists working ...