A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...

The idea that we might be living in a simulated reality has worried us for centuries. Now physicists have found some ...

Here's a list of all of the universes that will show up in Avengers: Doomsday, ranked by how important they will be.

DC's new Absolute Universe has drastically reimagined signature characters, from Batman to Wonder Woman, and these are the ...

Enterprise took a trip to the Mirror Universe in season 4, and delivered one of the best episodes of the series.

What if there are other universes, just like ours? With an infinite number of Earths? With uncountable versions of you? And ...