Add Yahoo as a preferred source to see more of our stories on Google. Scientists have long pondered on one of the universe's greatest mysteries: Are we alone? They have searched the cosmos, but so far ...

Our universe does host life, but another one might be even better suited for life. Here’s what you’ll learn when you read ...

(NewsNation) — Theoretical physicist Michio Kaku supports the concept of parallel universes, but he says people shouldn’t get their hopes up about meeting their doppelganger in another dimension, like ...

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) ...

Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special relativity that includes observers moving faster than light. This fresh perspective ...

Scientists have come up with theories about parallel universes that are so wild they’d make the most creative science fiction writers feel jealous. The idea that there are other worlds exactly like ...