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

I’ve nodded patiently and sympathetically. I’ve been empathetic and encouraging. I’ve tried teaching and being supportive. I’ve even resorted to shoutery (which didn’t take too long if I’m honest…) ...

The original version of this story appeared in Quanta Magazine. At the beginning of time and the center of every black hole lies a point of infinite density called a singularity. To explore these ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

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 ...

To most of us, time feels as solid as the phone alarm that drags us out of bed or the calendar that fills up faster than we would like. Yet a growing group of physicists and philosophers now argue ...

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 ...