The Andromeda galaxy is approximately 2.5 million light ... photomosaic ever" made by Hubble Space Telescope, as shown in the photo above.

With its origins tracing back to the 1970s, the Hubble Space Telescope was launched aboard the space shuttle Discovery on ...

A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

Related: Stunning image of Andromeda galaxy takes top astronomy photography prize of 2023 (gallery) These silent beasts are fed by streams of gas spiraling into them slowly and steadily ...

Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way’s closest major galactic neighbor, and it has broken the record for the ...

Astronomers have discovered Andromeda XXXV, the smallest and faintest known galaxy, located 3 million light-years away. It challenges existing models of galaxy formation, as similar small galaxies ...

Photo: Andromeda nebula plate with Hubble's handwritten ... were actually separate systems outside and independent of our galaxy. It was the first evidence of galaxies outside our own, and Hubble ...

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full moon. What backyard observers ...