A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.

When you buy through links on our articles, Future and its syndication partners may earn a commission. A panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away, ...

There’s more to galaxies than meets the eye, and now astronomers have mapped out a huge invisible region of the galaxy next door. Observations by the Hubble Space Telescope have detailed the size and ...

This is the largest photomosaic ever assembled from Hubble Space Telescope observations. It is a panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away. It took over ...

A Hubble Space Telescope study takes a close look at the dwarf galaxies surrounding Andromeda. Credit: NASA / ESA / J. Dalcanton / B.F. Williams / L.C. Johnson / PHAT team / R. Gendler Surrounding the ...

A magnificent cloud of diffuse halo of plasma surrounding our galactic neighbor, Andromeda, was recently mapped by astronomers using the Hubble Space Telescope. This envelope of electrically-charged ...

Researchers using the Hubble Space Telescope have, for the first time, mapped out the enormous halo of gas around Andromeda, the nearest major galaxy to us. The faint but huge cloud of hot gas ...

In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, ...

Located 2.5 million light years away, the Andromeda galaxy is our closest galactic neighbor. The spiral galaxy is also the most distant object you can see with the naked eye from Earth, making it a ...

Galactic neighbor: NASA's Hubble Space Telescope has captured a massive panoramic view of the neighboring Andromeda galaxy (Messier 31), which is situated just over 2.5 million light-years away from ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

In a landmark study, scientists using NASA’s Hubble Space Telescope have mapped the immense envelope of gas, called a halo, surrounding the Andromeda galaxy, our nearest large galactic neighbor.