Was Our Universe Created by a Black Hole in Another Universe?

A cosmologist explains the hypothesis that our universe could have originated from a “bubble” of spacetime that branched off a black hole singularity.

Our Universe May Exist Inside A 4th-Dimensional Black Hole the

The Biggest Black Hole In The Universe - WorldAtlas

The hunt for primordial black holes older than the universe itself

Our Universe Inside Black Hole of Another Universe?

Our Universe wasn't empty, even before the Big Bang - Big Think

Black holes so big we don't know how they form could be hiding in

Is our universe filled with black holes?

PBS Space Time Could The Higgs Boson Lead Us To Dark, 40% OFF

PBS Space Time Could The Higgs Boson Lead Us To Dark, 57% OFF