The universe is expanding faster and faster, but not all scientists agree that dark energy is the cause. Perhaps, instead, our universe keeps colliding with and absorbing smaller 'baby universes,' a new theoretical study suggests.

Our universe is merging with 'baby universes', causing it to expand, new theoretical study suggests

Source: space
Source Link: https://www.space.com/universe-merging-with-baby-universes-causing-expansion