The researchers speculate that the first two rings in the Bullseye galaxy formed rapidly and spread outward. The remaining ...

Centaurus A: NGC 5128 is a galaxy in constellation Centaurus, discovered in 1826 by Scottish astronomer James Dunlop. Messier ...

Hubble Telescope previously discovered eight rings of the gargantuan structure, but astronomers confirmed the ninth ring with ...

"The idea that they can somehow obliterate these sources is dead wrong — scientists in general and astronomers in particular ...

After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy ...

NASA’s Hubble Space Telescope has captured a breathtaking and unprecedented sight in deep space—a galaxy rippling with nine ...

NASA's Hubble Space Telescope spotted a cosmic Bullseye galaxy, revealing evidence of a rare kind of galactic collision.

In a study published today by The Astrophysical Journal Letters, a research team led by Yale University’s Imad Pasha ...