"Believe it or not, I'm from the future and I've come here to try and save your life." Now this is something quite unique. How to Build a Time Machine is a documentary that follows two different ...

A theoretical physicist hid his dream of time travel for decades. Now, his time machine theory is forcing scientists to rethink what’s really possible.

The real-life version of Doc Brown—an inventor who succeeds in building a time travel machine in the classic film Back to the Future —appears to be among us. Much like the fictional character ...

Maria Konnikova on the ability of humans to imagine the future and the possibility of time travel, and how it was affected by technology.

How To Build A Time Machine is a documentary by filmmaker Jay Cheel about two men working separately to build time machines.

Ron Mallett has a dream: He wants to travel in time. This isn't mere fantasy - Mallett is a respected professor of physics. "I think of myself as being an ordinary person with a passion, and my ...

Time travel has been a popular science-fiction theme since H. G. Wells wrote his celebrated novel The Time Machine in 1895. But can it really be done? Is it possible to build a machine that would ...