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.

Now the same team has found that the dark flow extends even deeper into the universe than previously reported: out to at least 2.5 billion light-years from Earth.