Like how the Earth keeps the Moon bound on a gravitational tether, our nearest galactic neighbor, the Andromeda galaxy (M31), is surrounded by a bunch of tiny satellite galaxies. But there's something ...

Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also contains the Milky Way. Miguel Claro is a professional photographer ...

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped ...

Cosmological simulations say that such an alignment should not happen, with a probability of less than 0.3%. Our neighboring Andromeda Galaxy (Messier 31, or M31) appears to sport a lopsided ...

It is a panoramic view of the neighboring Andromeda galaxy, located 2.5 million light ... it is six times the apparent diameter of the full Moon, and can be seen with the unaided eye.

The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal ...

Miguel Claro, an astrophotographer, spent five years capturing a stunning image of the Andromeda Galaxy from Portugal's Dark Sky Alqueva Observatory. Using special filters and 80 hours of exposure ...