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 ...

Names are a strange thing in astronomy. Sometimes scientists come up with grandiose, simple name, like the Extremely Large ...

This stunning image dubbed 'Cosmic Owl' captures a remarkable moment in deep space, billions of light years away.

Some of these open clusters are pretty famous, such as the Pleiades cluster, also known as the Seven Sisters. This is ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Credit: ESA/Hubble & NASA, M. Postman, P. Kelly Hubble’s latest portrait zooms into Abell 209, a colossal galaxy cluster ...

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

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

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

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 ...

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