Ultra-faint dwarf galaxies—tiny satellite galaxies orbiting the Milky Way—have long been seen as cosmic fossils. Now, a new ...

By tracking individual stars and exploding supernovas, astronomers discovered the strength of early ultraviolet glow ...

The largest 3D map of the universe, created based on data from the Dark Energy Spectroscopic Instrument, shows 47 million ...

New COLIBRE simulations show how cold gas and dust help galaxies evolve from the early universe to today. (CREDIT: Monthly ...

A supermassive black hole, ULAS J1120+0641, outgrows its galaxy and disrupts the cosmic balance, revealing a mystery of the ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

A team of astrophysicists from Nanjing University and University of Bonn have demonstrated that, rather than being random, ...

By studying galaxy clusters separated by hundreds of millions of light-years, Penn physicist Patricio Gallardo and ...

The Dark Energy Spectroscopic Instrument (DESI) has finished the most detailed survey of the universe to date, and the ...