
Scientists modeled the first 2 billion years of the Universe using 15,000 graphics processors

The first galaxies began polluting the cosmos much earlier than thought

Scientists measured the amount of primordial helium in the Universe with 0.5% precision

A heavy neutrino may explain why matter survived the Big Bang

James Webb discovered an unusually dense galaxy cluster in the early Universe

Dark energy may have first slowed the expansion of the Universe and then accelerated it

Physicists see for the first time how a quark creates a wave in the matter of the early Universe

Why don’t the data on the Universe’s expansion agree? Scientists have found an unexpected clue

Their influence extends across hundreds of thousands of light-years: How can black hole jets determine the fate of entire galaxies?

Is the Universe Infinite? It may turn out to be finite — even if it has no edge

Why physicists disagree about the biggest mysteries of the Universe — and even about the role of the Big Bang