Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

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

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...

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

Astronomers have released the most detailed image of the Andromeda galaxy with new clues about ... who used shadows cast by the sun at two different locations to make the first accurate ...

Astronomers have released the most comprehensive photograph of the Andromeda galaxy, which contains over 200 million stars.

Astrophotographers use sophisticated imaging technology to take and edit photographs that bring us the cosmos with startling ...

At 2.5 million light-years from Earth, Andromeda is the closest spiral galaxy to the Milky Way. Its size in the night sky is six times the diameter of the full moon, requiring extensive imaging to ...