Could a white hole lie on the other side of a black hole?

Could there be anything on the other side of these massive gravitational wells?

Black holes could have “back doors” to another universe

A recent study suggests that matter might in fact survive its foray into these space objects and come out the other side

Could the Big Bang have been a black hole?

We find out if our universe came from the high gravity objects known as black holes

Could wormholes really exist?

We asked two experts this mind-bending question

Credit NASA

Can the opposite of a black hole exist?

Also known as a white hole, is this phenomenon a reality?

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