From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.

The giant jet flips the script on the origins of these structures, which were once thought to be linked only to extremely ...

Is it possible to understand the universe without understanding the largest structures that reside in it? In principle, not ...

NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light-years away from the Milky Way.

To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...