Peculiar James Webb Space Telescope observations seem to show gargantuan black holes in the earliest moments of the universe. New research may explain how they formed, thanks to primordial "seeds".

By incorporating both elements, the simulation provides a new foundation for studying and modeling ordinary and dark ...

Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

Astronomers are closer than ever to working out how the biggest galaxies in the cosmos grew so quickly before dying.

"Why do they have the same rotation? They must have a connection with each other — that would be a very strong question that ...

These simulations are what we call cosmological hydrodynamics simulations ... "If we were to simulate a large chunk of the ...

The New York congressman has won two tough races in two years. He thinks the Democratic Party could learn something.

The universe just got a whole lot bigger—or at least in the world of computer simulations, that is. In early November, ...

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they ...

Researchers using XMM-Newton and Chandra telescopes have linked X-ray emissions from 21 distant quasars to rapid supermassive ...