Gravitational waves may have provided the first tantalizing evidence of tiny primordial black holes born during the Big Bang, which could account for dark matter.

Ripples in spacetime may have revealed 1st evidence of tiny black holes born in the Big Bang

Source: space
Source Link: https://www.space.com/astronomy/black-holes/ripples-in-spacetime-may-have-revealed-1st-evidence-of-tiny-black-holes-born-in-the-big-bang