The proof of the existence of parallel universes has long been hindered by the core issue of "unobservable and difficult to ...

A backward, mirror universe could explain the existence of dark matter. If an anti-universe exists, it would run backward in time, before the Big Bang. Dark matter, then, could be right-handed ...

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 ...

Typically, the temperature fluctuations of cosmic microwave background radiation are about 18 microkelvin (0.000018K), but ...

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 ...

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 ...

Parallel universes and multiverses are an interesting concept to tackle in art. The idea that there is a universe like ours existing at the same time and under different conditions and rules is pretty ...

Throughout history, there have been occasional little mysteries that have centered around supposed “time travellers” claiming to be from parallel dimensions. One occurred in Ukraine back in 2006, ...