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

Quantum mechanics and the many-worlds theory suggest infinite parallel universes where every choice creates a new branch of reality.

The universe is a strange, beautiful place—rich with possibilities and governed by the odd rules of quantum mechanics. One of the most mind-bending ideas from this realm is the many-worlds ...

Scientists have long pondered on one of the universe's greatest mysteries: Are we alone? They have searched the cosmos, but so far, there has been no sign of extraterrestrial life. Is it possible that ...