Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...

Parallel worlds sound like pure science fiction, but several major physics ideas keep pointing toward them. Quantum mechanics suggests reality may “split” into different outcomes, while cosmology ...

This idea that our universe is not the only existing universe has been an electrifying philosophy simmering in people’s minds for decades. Well, the multiverse theory puts into describing other ...