"These two supernova remnants are helping us to better understand the dynamics of our home galaxy’s neighborhood," ...

Known as GS-NDG-9422 (9422), this galaxy's spectrum suggested a phenomenon previously unseen. Its gas emissions, rather than its stars, dominated the light, providing a rare glimpse into a ...

An international team found dark matter dominating the halos of two supermassive black holes in galaxies 13 billion light ...

Shock-waves from the collision compress reservoirs of gas in each galaxy and trigger the formation of new stars. This creates a spectacular ring of intense emission, and lights up the system like a ...

Published in Nature Astronomy, the study reveals that there may be a shroud of gas around every galaxy that stretches up to a million light years. If that’s the case, then the Milky Way and ...

Nasa's Hubble Space Telescope has captured LEDA 1313424, a galaxy with nine star-filled rings, the most ever detected, ...

A blue dwarf galaxy pitched through the bullseye's galactic neighborhood 50 million years ago, leaving behind nine glittering rings.