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 ...

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

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal galactic rule—it's just one of many possible evolutionary paths. By recreating ...

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

The stars in our galaxy exhibit a curious chemical division, but is this the norm in the Universe? A recent study shows that ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

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, ...

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

A black hole the mass of at least ten million suns is tearing through space, fast enough to escape its home galaxy. As it ...

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

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