"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they appear that way." ...

The Andromeda galaxy, our cosmic neighbor, is far more turbulent than previously thought. A new survey by the Hubble Space Telescope has mapped the chaotic history of Andromeda’s dwarf galaxy system, ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin Imagine the Milky Way and Andromeda as two massive aircraft ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

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 ...

An ambitious survey by the Hubble Space Telescope was made to plot the galaxy locations in three-dimensional space. In this video we circle around a model of the Andromeda system based on real ...

NASA’s Hubble captures NGC 4536, a starburst galaxy in Virgo with intense star formation and glowing gas clouds.

The Andromeda galaxy, seen here by NASA’s Spitzer space telescope, is the closest large galaxy to the Milky Way — but it seems to have evolved in a much different way, new Hubble data suggests.

Dozens of dwarf galaxies swarming around the Andromeda Galaxy like bees have been caught on camera by the Hubble Space Telescope, which took more than a thousand orbits of the Earth to take enough ...

which will help astronomers to rewind the motions of the entire Andromeda ecosystem billions of years into the past. The Hubble Space Telescope has been operating for over three decades and ...