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

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

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Just east of Betelgeuse is the fine binocular cluster NGC 2244. But the much fainter Rosette Nebula that lies around the cluster shows up nicely in this fine photo of it by EAAA member James Schultz.

These galaxies contain active galactic nuclei, or AGNs. In January of 2025, NASA’s Hubble Space Telescope released this panoramic view of the neighboring Andromeda galaxy. Assembled from a total of ...

The Triangulum Galaxy, also informally known as the Pinwheel Galaxy, is a spiral galaxy 2.7 million light-years from Earth ...

On the night of October 5-6, 1923, Carnegie astronomer Edwin P. Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope of the Mount Wilson Observatory. This plate, ...

Astronomers took on the painstaking task of stitching together Hubble Space Telescope images of the galaxy over the past ... nearly 200 million stars across Andromeda, marking this the largest ...