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 ...

Parallel worlds sound like science fiction, but modern physics paints a different picture. Quantum mechanics suggests that particles don’t choose one path—they follow all possible paths, branching ...

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 ...

For more than a century, physicists have suspected that the familiar three dimensions of space and one of time might be only ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The Oak Ridge National Laboratory has been doing research into neutrons that could potentially confirm the existence of real-life portals. This has got the internet thinking about the 'Upside Down' in ...

It's the stuff of science fiction — parallel worlds that fan out in time and space. But do such parallel worlds exist? It turns out that at least some physics theories do allow for the existence of ...

The universe is expanding faster and faster, but not all scientists agree that dark energy is the cause. Perhaps, instead, our universe keeps colliding with and absorbing smaller 'baby universes,' a ...

Is it preposterous to consider the existence of parallel universes? Or is it preposterous not to? Physicist Brian Greene would tend toward the latter view. The Columbia University theoretical ...

Why did the valet hate being in a parallel universe? Because it was all parallel parking! A parallel universe is one of the favorite subjects of fiction writers. There are numerous books, films, video ...