NASHVILLE, Tenn. (AP) — Marty McFly grabbed a guitar in “Back to the Future” and rocked out with the band at a 1950s high school dance, helping him narrowly avoid blinking out of existence before time ...

What does it mean to be to space-time? The seemingly simple question gets to the essence of twentieth-century physics and has driven a hundred-year debate between philosophy and science. In Einstein’s ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...

Capricorn Mansion. Photo by Ame Beard. In 2009, Stephen Hawking threw a party for the ages, inviting time travelers from all around to congregate at his house to enjoy “champagne and nibbles.” On his ...

'Future Boy: Back to the Future and My Journey Through the Space-Time Continuum' arrives today and ties into the sci-fi classic's 40th anniversary re-release. Reading time 4 minutes Michael J. Fox was ...