To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most detailed Andromeda Galaxy image ever.

The most detailed panorama of the entire Andromeda galaxy is packed with science that could revolutionize our understanding of how spiral galaxies across the universe form and evolve.

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.

The result is an impressive panorama, revealing approximately 200 million stars and extending six times the apparent diameter of the full Moon in the night sky.

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

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

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

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

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

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