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 ...

Today, astronomers have measured the distance to the Andromeda Galaxy much more precisely; they find it to be about 2 1/2 million light years away. It is a majestic spiral-shaped galaxy ...

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.

A waxing Moon brightens the sky as we catch our last looks at Uranus and view Venus, Mercury, Jupiter, and Mars in the sky ...

Right now, the Andromeda galaxy is racing toward the Milky Way at ... After six billion years of cosmic carnage, Earth's night sky would be ablaze with the elliptical galaxy's bright, new core ...

The dust rings of the Andromeda Galaxy stand out in this infrared image ... of additional dipper stars found in another region of the sky. “Extraterrestrial intelligence is a low-probability ...