String theory's equations give rise to a near infinite variety of potential universes in a 'landscape.' This landscape is surrounded by a 'swampland' of solutions that are incompatible with any ...

The original version of this story appeared in Quanta Magazine. String theory captured the hearts and minds of many physicists decades ago because of a beautiful simplicity. Zoom in far enough on a ...

The largest-ever 3D map of the cosmos hints that the dark energy that’s fueling the universe’s expansion may be weakening. One community of theoretical physicists expected as much. On the morning of ...

(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 ...