LIFE IN THE MULTIVERSE

Does this weird cold spot far out in intergalactic space mean we once rubbed against an alternate reality? And if so, what does this mean?

For decades, scientists have questioned theories about our universe not being the only one. Now, astronomers have discovered the first possible evidence that the universe is surrounded by many others, in a multiverse. A cold spot in space could be a sort of scar, resulting from a collision with another universe.