The Hubble Space Telescope has finally completed a stunning mosaic of the Milky Way's closest cosmic companion, the Andromeda Galaxy — having spent more than a decade snapping the spectacular image.

Though visually dynamic, it shows minimal star formation and hosts a massive but dormant black hole. The galaxy's unique hybrid structure—featuring traits of both spiral and elliptical ...

From our point of view, the galaxy is tilted mostly towards us, giving astronomers a fairly good view of its billions of stars," it said. However, Nasa said that the galaxy's features are ...

Astronomers are applying new image-processing techniques to previously released Hubble observations in honor of the space telescope's upcoming 35th anniversary.