Nature speaks to theoretical physicists to explore the real theories that inspired the hit series. Warning: contains spoilers ...

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 ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel universes do exist, could we ever travel to them? It certainly wouldn ...

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 ...

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A team of Chinese researchers has suggested that the mysterious gravitational wave detected in 2019, known as GW190521, may ...

This universe is getting to be a lot. As if troubling political trends, climate change, and a rising billionaire class weren’t bad enough, the space beyond our little blue planet is equally full of ...

Multiple universes and parallel worlds are all the rage in film and TV these days from the Marvel cinematic universe toStranger Things. But multiverses are more than just fiction, many scientists are ...

One of the most popular science fiction tropes in movies and TV, right up there with time travel and extraterrestrial life, is the idea of parallel universes or alternate universes. The concept of an ...

Ever wondered how physicists got a reputation for being boring, cosmologists tedious? Wonder no more as Horizon shows what these some of these highly intelligent doyens of the science world have been ...