News Cosmology

Exploding black holes could explain an antimatter mystery

Shock waves in the early universe may have helped matter reign supreme

Many orange rings represent primordial black holes in an illustration

Primordial black holes (illustrated) could explain how the universe came to be formed predominantly from matter, while antimatter is rare.

NASA’s Goddard Space Flight Center

By Emily Conover

DENVER — Tiny, exploding black holes might explain one of the biggest mysteries about how the universe, in its current form, came to be.

In the cosmos, matter is much more common than antimatter.