Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming ...

Researchers suggest that the collapse of these stars could seed supermassive black holes and influence the unusual appearance of early galaxies.

Imagine going back in time—really far back—to just moments after the Big Bang. There were no stars, no planets, not even atoms as we know them. Just searing heat and a soup of tiny particles. But even ...