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

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

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

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, ...

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 ...

The combined images reveal the radiant glow of nearly 200 million stars spread across the Andromeda galaxy. This marks the most expansive portrait ever pieced together using observations from the ...

our understanding of the cosmos expanded from a single galaxy to a vast universe teeming with billions of them. A century after Edwin Hubble’s remarkable discovery, the space telescope bearing his ...

There’s no other galaxy for which we’re able to do that.” Weisz was a co-principal investigator on the first part of the Andromeda survey, the Panchromatic Hubble Andromeda Treasury (PHAT) program, ...

A century ago, Edwin Hubble unveiled a groundbreaking discovery that revolutionized humanity’s understanding of the cosmos. His identification of a faint star in the Andromeda Galaxy, known as V1, ...