"There was a time when ‘universe' meant ‘all there is,' " writes Greene, but soon we may have to redefine that word, along with our own meager understanding of the cosmos. A theoretical physicist and ...

Our universe might be really, really big — but finite. Or it might be infinitely big. Both cases, says physicist Brian Greene, are possibilities, but if the latter is true, so is another posit: There ...

Is it preposterous to consider the existence of parallel universes? Or is it preposterous not to? Physicist Brian Greene would tend toward the latter view. The Columbia University theoretical ...

The Leonard Lopate Show, hosted by Leonard Lopate for over three decades, featured conversations that New Yorkers turned to each afternoon for insight into a wide variety of topics; including ...

Brian Greene is one of the foremost scientists and science communicators of our time. Greene, a theoretical physicist at Columbia University, has been working for decades to advance our understanding ...

From recent theories developed to explain the behavior of subatomic particles and the dark recesses of space come the “multiverse” theory that proposes not one but an infinite number of universes. One ...

BOSTON (CBS) - Could there be such a thing as a parallel universe? Dan's guest, Brian Greene, he "Einstein Of The 21st Century," says yes and he can convince you. Originally broadcast March 2nd, 2011.