Jon Cartwright speaks to Leonard Susskind about bringing a “theoretical minimum” of real physics to people all over the world through his online courses (Courtesy: Linda A Cicero/Stanford News Service ...

Susskind, a founder of string theory and author of the current bestseller “The Cosmic Landscape,” is not a huge fan of science fiction — and for good reason. “Science to me is sufficiently weird and ...

Some celestial bodies are so cold that methane freezes; others are so hot that nuclear reactions occur. And then there’s Earth, with a benign temperature hovering in the narrow range between freezing ...

At a 1990 conference on cosmology, I asked attendees, who included folks like Stephen Hawking, Michael Turner, James Peebles, Alan Guth and Andrei Linde, to nominate the smartest living physicist.