Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

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

The galaxy, officially named LEDA 1313424, lies approximately 567 million light-years away in the constellation Pisces.

Astronomers looked more closely at one of seven stars that looked like possible Dyson sphere candidates from earlier observations.

Active galactic nuclei (AGN) are among the most energetic phenomena observed in the universe. These luminous objects, powered ...

"These are some of the first high-resolution simulations where we explore the middle stage of protostar evolution where most of the star's mass is gathered, and which haven't been studied in this ...

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

Astronomers have discovered a unique collisional ring galaxy, nicknamed the "Bullseye," that features nine rings, the most ...