What's beyond the known limits? What lies outside the boundary of the universe? The answer is — well, it's complicated.

Talking about things outside the Hubble Volume might be a bit of a cheat, since it’s still really the same universe, just a part of it we can’t see. It would have all the same physical laws ...

What’s Outside the Universe_ - Ask a Spaceman! ... / paulmattsutter and / paulmattsutter What is the meaning of the horizon of the universe? Is the Earth in a special place?

Recently, Magic: the Gathering has been focused on bringing outside game worlds to its universe through its Secret Lair line. Recently, that's included Spider-Man and Final Fantasy, among other ...

NASA scientists believe they may have discovered evidence of a parallel universe. And people began to post memes about the ~very 2020~ news.

What came before the Big Bang, and what exists outside of the universe it created? Until recently, scientists could only guess at what lay past the edge of spacetime. However, cosmologist Laura ...