A massive, spacetime-warping cluster of galaxies is the setting of today's NASA/ESA Hubble Space Telescope image. The galaxy ...

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

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

The mighty James Webb and Hubble space telescopes united to reveal stars being born inside the Small Magellanic Cloud, which ...

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

The galaxy next door to the Milky Way, Andromeda, has never looked as stunning as it does in a new image from NASA's Chandra X-ray space telescope.

NASA says its upcoming Nancy Grace Roman Space Telescope is among several missions that will help continue to shed light on galaxies like M31. Named after the agency’s first chief astronomer, the high ...

Named after the agency’s first chief astronomer, the high-tech observatory is expected to launch in 2027 and will feature a field of view 100 times larger than that of the Hubble Space Telescope.