New research suggests primordial black holes born during the Big Bang could live much longer than previously estimated — long enough to become energy-spewing white holes.
Black holes could 'leak' long enough to become white holes that weigh no more than a flea's egg
Source: space
Source Link: https://www.space.com/astronomy/black-holes/can-black-holes-turn-into-white-holes-its-not-such-a-crazy-idea-scientists-say