Early in the story of the universe, long before galaxies like the Milky Way were expected to take shape, astronomers have now ...

Another batch of the ‘impossible’ galaxies turned out not to be standard galaxies at all, but a new type of object that ...

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

FLAMINGO simulation maps the universe but reveals a puzzling mismatch: galaxies cluster less than theory predicts.

Professor Woong-bae Zee of the College of Liberal Studies at Sejong University has revealed that a galaxy does not possess ...

A new study led by Dr. Vivian Tan, who recently completed her Ph.D. at York University under the supervision of Prof. Adam ...

Dark matter constitutes 85% of cosmic matter; it is invisible to light and know nothing about it except that its gravity ...

How galaxies assemble their stars and grow over billions of years remains one of the central questions in astronomy. Recent ...

Recent observational breakthroughs are beginning to challenge the long-standing view of dark energy as unchanging. Data from the Dark Energy Spectroscopic Instrument ( DESI ), an advanced survey ...

NASA's Chandra X-ray Observatory has revealed stunning cosmic structures within galaxy clusters, like bubbles and waves, ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may arise from several very different evolutionary events. Bursts of star ...