In a nutshell, string theory is a sprawling realm of theoretical physics that assumes that tiny vibrating strings are the ...

Natural physical networks are continuous, three-dimensional objects, like the small mathematical model displayed here.

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space Radio, and author of "Your Place in the Universe." Sutter contributed this article ...

String theory's equations give rise to a near infinite variety of potential universes in a 'landscape.' This landscape is surrounded by a 'swampland' of solutions that are incompatible with any ...