At some 60 billion times the mass of the sun, this dark void could be home to a pair of black holes that are due for a cosmic ...

Shock waves from tiny black holes in the early universe could explain how antimatter became so rare while matter is common.

The early universe is absolutely so far outside our understanding of how the world works it's hard to describe in words. Back then, the cosmos wasn't filled with stars and galaxies but with a boiling ...

The biggest black holes in the Universe may be built through chains of violent mergers deep inside crowded star clusters.