Scientists are investigating the possibility that our universe isn't the only one after detecting a mysterious gravitational wave ...

In 2019, gravitational wave observatories identified an event known as GW190521 that baffled astronomers. It was initially interpreted as evidence of two black holes merging. But its characteristics ...

(NewsNation) — Theoretical physicist Dr. 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, ...

Scientists have come up with theories about parallel universes that are so wild they’d make the most creative science fiction ...