Recent astronomical and environmental discoveries have painted a picture of a universe in decline. Observations from the ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel universes do exist, could we ever travel to them? It certainly wouldn ...

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 ...

Times Scientists Created Astonishing New States of Matter: 25 Incredible Discoveries That Science Can't Explain: There are science theories and then there are science theories. Like the idea that the ...

The universe is a strange, beautiful place—rich with possibilities and governed by the odd rules of quantum mechanics. One of the most mind-bending ideas from this realm is the many-worlds ...

Scientists have long pondered on one of the universe's greatest mysteries: Are we alone? They have searched the cosmos, but so far, there has been no sign of extraterrestrial life. Is it possible that ...

At the turn of the century, it sounded as if string theory could give us big answers about the universe. Well… has it?

Ever wondered how physicists got a reputation for being boring, cosmologists tedious? Wonder no more as Horizon shows what these some of these highly intelligent doyens of the science world have been ...

This interview was originally broadcast on January 24, 2011. The Hidden Reality: Parallel Universes and the Deep Laws Of the Cosmos is now available in paperback. Greene is also hosting a NOVA series ...

It is possible that there are many other universes that exist parallel to our universe. Theoretical physicist Brian Greene, author of The Elegant... A Physicist Explains Why Parallel Universes May ...