The Andromeda Galaxy (M31) is one of the most fascinating objects in our night sky and is located relatively close to the Milky Way, making it an important focus for astronomers. This spiral galaxy, ...

The Andromeda Galaxy, located 2.5 million light years away, has fascinated observers for centuries. Once believed to be part ...

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Particular stars called Cepheid variables allow astronomers to determine distance, and Hubble spotted one of these within M31.

Astronomy Update is provided by the Chippewa Valley Astronomical Society and is compiled by Dr. Lauren Likkel.

The annual competition for professional and amateur astrophotographers released its shortlisted images, which capture the ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor.

NASA's Chandra X-ray space telescope has captured a breathtaking image of the neighboring Andromeda galaxy, in a tribute to dark matter pioneer Vera Rubin.

Also known as Andromeda, the Milky Way’s most immediate neighbor is about 2.5 million light-years away, and provides an excellent option for studying how spiral galaxies form and evolve over time.

Climbing to 60° high in the east two hours before sunrise, the constellation Andromeda lies just to the upper right of the easy-to-spot W-shaped constellation Cassiopeia. This morning, let’s enjoy a ...

The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly?