The "many worlds" theory in quantum mechanics suggests that with every decision you make, a new universe springs into existence containing what amounts to a new version of you. Bestselling author and theoretical physicist Sean Carroll discusses the concept and…

By Tom Casciato

The 2016 Nobel Prize in physics is shared by three scientists -- David Thouless, Duncan Haldane and Michael Kosterlitz -- for theoretical discoveries of topological phase transitions and topological phases of matter. Here's what that means.

By Nsikan Akpan