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 ...

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 ...

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 ...