Hints of a mirror cosmos have a way of gripping the imagination, and recent chatter about “first proof” of a parallel universe has pushed that fascination back into the spotlight. Behind the viral ...

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 ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. If you've been scrolling through social media recently, you might have stumbled upon sensational claims resurging about ...