Again - with just about everything - skepticism is key. Mersini-Houghton, the main proponent of the landscape multiverse idea, is also a fan of string theory.

Recent discoveries have reignited excitement and curiosity in the scientific community, suggesting the possible existence of ...

The most interesting of those theories is that the Cold Spot is the result of a collusion between our universe and another pocket universe which would prove the existence of multiverse theory.

A curious chilly area of space may have been created when a parallel universe crashed into our own, scientists have suggested, the first evidence that we may be part of a multiverse.

It sounds like something straight out of a science fiction novel, but what makes some scientists so sure of the validity of the multiverse theory? Surprisingly, there are many supportive theories.

Unnaturalness would give a huge lift to the multiverse hypothesis, which holds that our universe is one bubble in an infinite and inaccessible foam. According to a popular but polarizing framework ...

The multiverse theory is that our universe is but one of a vast, variegated ensemble of other universes. We don’t know how many pieces there are to the multiverse but estimates suggest there many be ...

In that case, the fact that we are not that kind of observer is like seeing the red widget – it is evidence against a multiverse theory that says we should expect to be freaky observers.