"To think that so much is going on in the astronomical scene that evening with the Andromeda and Triangulum galaxies also visible, makes this definitely a once-in-a-lifetime photograph," Dury told ...

With the interactions of the four largest galaxies inside the local group (the Milky Way, Andromeda, the Triangulum galaxy and the Large Magellanic Cloud) taken into account, the researchers found ...

On the left is a composite image of the Triangulum galaxy, made by overlaying individual images taken by the Hubble Space Telescope as part of the PHATTER survey. Distributions of old and young ...

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full moon. What backyard observers ...