Scientists have long pondered on one of the universe’s greatest mysteries: Are we alone?

They have searched the cosmos, but so far, there has been no sign of extraterrestrial life. Is it possible that aliens are lurking in parallel universes?

A new study explores this tantalizing idea.

The idea of aliens hiding in a parallel universe — though seemingly absurd — is presented as a way to bridge the gap between theoretical physics and the search for extraterrestrial life.

For this, a team led by Durham University astrophysicist Daniele Sorini explored the famous Drake equation. They have expanded the parameters of the Drake Equation by considering the possibility of parallel universes.

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