A newly discovered galaxy is challenging what scientists thought they knew about galactic collisions. Located 567 million ...

A small blue dwarf galaxy passed through the massive Bullseye galaxy. This impact created nine rings of new stars.

The Hubble Space Telescope has captured this striking image of an unusual galaxy with a bullseye structure, as nine rings ...

A rare ring of light surrounding a galaxy nearly 590 million light-years away from Earth has been discovered by a space ...

The galaxy, located in the constellation Leo ... all isolated from the Milky Way -- and they all show a similar pattern," McQuinn said. Observations of the dwarf galaxies within the Local Group ...