A century ago this month, a brash astronomer leaked a discovery that opened our view to the cosmic distance scale and the ...

This is not carelessness, but the possible discovery of a rare stellar event in the Andromeda galaxy. A red supergiant star ...

This sweeping bird's-eye view of a portion of the Andromeda galaxy (M31) is the sharpest image ever taken of our galactic next-door neighbor. Disclaimer: AAAS and EurekAlert! are not responsible ...

showcasing a sweeping view of the Andromeda galaxy (M31). This stunning image from the NASA/ESA Hubble Space Telescope features a region known as G35.2-0.7N, located approximately 7,200 light ...

NGC 261 blooms a brilliant ruby red against a myriad of stars in this new image from NASA’s Hubble Space Telescope. A Strange Ring Galaxy| Is this one galaxy or two?. This image, captured by the ...

Stellar Stories Hera spacecraft launched The European Space Agency's Hxera spacecraft launched on October 7, initiating an ...

It was entry 31 in Charles Messier's 18th century catalog of interesting fuzzy objects, and is thus also called M31 by astronomers ... the distance to the Andromeda Galaxy much more precisely ...

It was entry 31 in Charles Messier's 18th century catalog of interesting fuzzy objects, and is thus also called M31 by astronomers ... Edwin Hubble (then a young and little-known astronomer) was able ...

NASA's Neil Gehrels Swift Observatory viewed our neighboring spiral galaxy Andromeda, also called M31, in ultraviolet light Hubble Focuses on Double Nucleus in the Andromeda Galaxy. This expansive ...

Infrared astronomy has revealed so much about the universe, ranging from protoplanetary disks and nebulae to brown dwarfs, ...