What are primordial black holes?

Although astronomers haven't yet proven they exist, primordial black holes could answer some of the current outstanding questions in astronomy, including the nature of dark matter.

Extremely Dense Atom-sized Primordial Black Holes Could Weigh Millions of Tons, Experts RAtom-sized Primordial Black Holes Are Extremely Dense Objects That Could Weigh Millions of Tons, Experts Reveal

Is dark matter actually a black hole?- Looking to modern cosmology to unravel the mysteries of the universe, Research Stories, Research

Types Black Holes – NASA Universe Exploration

Primordial black holes could explain dark matter, galaxy growth and more

If 'Planet Nine' is a primordial black hole, could we detect it with a fleet of tiny spacecraft? – Physics World

Gravitational Waves Might Reveal Primordial Black Hole Mergers Just After the Big Bang –

What are primordial black holes in, Trivia Questions

Primordial black holes could hold the key to dark matter mysteries

Frontiers A Brief Review on Primordial Black Holes as Dark Matter

Baby universes could present as primordial black holes

Can there be a possibility of Milky Way revolving around a giant super massive black hole which is a source of gravity to all other planets and stars in our Galaxy?

Astronomers Develop Method to Detect Tiny Black Holes in Outskirts of Our Solar System, Astronomy

Primordial Black Holes as Dark Matter?

Study rules out initially clustered primordial black holes as dark matter candidates

Primordial black holes could hold the key to dark matter mysteries