Uncover the mysteries of galaxies with Rutgers University's new findings on Leo P, a small galaxy that started and stopped ...

Arp 107 is part of the Atlas of Peculiar Galaxies, a catalog of 338 galaxies compiled in 1966 by Halton Arp.

Most galaxies are spiral, spherical or ellipsoidal aggregations of stars, but some have irregular configurations. These unusual objects may very well be galaxies in an early stage of evolution ...

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

Astronomers have discovered a group of dwarf galaxies that are unusually aligned in a near-straight line, with most of them rotating in the same direction. These peculiar features challenge ...

NGC 922 is a peculiar galaxy in the southern constellation of Fornax. This beautiful image was captured by NASA's Hubble Space Telescope. NGC 7049 is a lenticular galaxy that spans about 150,000 light ...

This striking image from the NASA Hubble Space Telescope captures the interacting galaxy pair known as Arp-Madore 2339-661. The peculiar spiral galaxy ESO 415-19, which lies around 450 million ...

A Catalogue of Southem Peculiar Galaxies and Associatlons (2-volume set). Halton C. Arp and Barry F. Madore. Cambridge University Press: May, $125. Volume 1 presents information on more than 6,000 ...