Actor Michael J. Fox recounts how he managed playing Family Ties’ Alex P. Keaton by day and Back to the Future’s Marty McFly ...

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 ...