According to a new theory, our universe developed from a “pre-inflationary multiverse” made of particles in quantum ...

Throughout the existence of life on Earth, we have always been plagued with the question — are we alone? Regardless of humanity’s contrasting beliefs, there has always existed the undeniable fact that ...

There may be another universe just a millimeter away from ours, hovering in an extra, hidden dimension. At any moment this second universe (or “membrane,” in M-theory—a relative of superstring theory) ...

Humans live in a universe; that is a fact. Up for debate, though, is whether that universe lives in a sea of other universes—a multiverse. The idea of a multiverse is the subject of much science ...