An attempt to pass through a wormhole between universes could collapse it Science Photo Library/Alamy
When a wormhole reaches the end of its life, the 鈥渕ouths鈥 at either end may expand and get closer to one another before disconnecting and carrying on as regular black holes 鈥 and the trigger for this death could be any energy that perturbs the wormhole, including a person leaping in.
Wormholes are hypothetical tunnels between two black holes that connect distant regions of space-time or even separate universes. There is no observational evidence that they exist 鈥 nor that separate universes exist 鈥 but…



