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

The Andromeda Galaxy, located 2.5 million light years away, has fascinated observers for centuries. Once believed to be part of the Milky Way, everything changed in 1923 when Edwin Hubble identified ...

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

“For example, Chandra’s X-rays reveal the high-energy radiation around the supermassive black hole at the center of M31 as ...

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

Witness the breathtaking beauty of our home galaxy, the Milky Way, through 6 stunning images captured by NASA's Hubble Space Telescope.

As Hubble already discovered, galaxy movements within the Local Group don’t show the same cosmological spectral shifts as galaxies beyond. In fact, the spectral shift of the spiral galaxy M31 ...

This event could further influence our galaxy's trajectory, making any potential encounter with Andromeda even more uncertain. Upcoming data from Gaia and Hubble should provide clarification on these ...