If true, the idea would blow past one of physics’ most sacred limits: that parallel versions of reality can never talk to ...

Throughout history, there have been occasional little mysteries that have centered around supposed “time travellers” claiming to be from parallel dimensions. One occurred in Ukraine back in 2006, ...

Chinese researchers are poring over a puzzling gravitational wave signal that appears to defy the standard script of black hole collisions, reviving one of physics’ most audacious possibilities: that ...

(PhysOrg.com) -- Over the past few decades, the idea that our universe could be one of many alternate universes within a giant multiverse has grown from a sci-fi fantasy into a legitimate theoretical ...