Though many physicists believe it’s possible that our universe is one of many in a multiverse, they struggle to find concrete evidence to back up that hypothesis. But now, we may find that evidence — ...

The theory that our universe is contained inside a bubble, and that multiple alternative universes exist inside their own bubbles – making up the ‘multiverse’ – is, for the first time, being tested by ...

Our observable universe is the region of space that we can see today — all points in space in which the light has had enough time to reach us if it left those points at the Big Bang (13.7 billion ...

Is our universe just one of many? The “multiverse” has occupied the pages of theorists’ notebooks for decades. Now, astronomers are on the brink of testing this hypothesis as they begin the search for ...