For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner.

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 ...

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

The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

The spiral galaxy 2MASX J23453268−0449256 is located nearly 1 billion light-years away from Earth, and measures about three ...

An extreme protocluster gathering of infant galaxies is hiding a vast cosmic fuel tank that is powering 400 million years of ...

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

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 ...

The dust rings of the Andromeda Galaxy stand out in this infrared image taken by the Spitzer Space Telescope. Astronomers have discovered even brighter infrared galaxies that have inspired some ...