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.

Video of the largest photomosaic ever assembled from Hubble Space Telescope observations. The camera pans along the Andromeda Galaxy's vast disk which is ... we measure the line-of-sight velocity of ...

Astronomers spent a decade compiling this special image with the Hubble Space Telescope and then stitched together 600 photos to showcase over 200 million stars.

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy ... "Andromeda's a train wreck — it looks like it has been through ...

Astronomers trace the striking pattern to an encounter between a big galaxy and a much smaller one some 50 million years ago.

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and NASA scientists have produced the most comprehensive survey of the Andromeda ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

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