In about four billion years from now, the Milky Way and Andromeda galaxies will crash together Visualization: NASA, ESA, and F. Summers, STScI Simulation credit: NASA, ESA, G. Besla, Columbia ...

The biggest black hole ever in our observable Universe has been discovered by scientists at the center of a massive galaxy.

Yes, the primary antagonist of 2002's GameCube game Super Mario Sunshine should be in the Super Mario Galaxy adaptation, and he would make for a perfect villain for the new cinematic installment of ...

Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using 100,000 supercomputer simulations. Credit: NASA's Goddard Space Flight Center ...

Gauging the mass of a black hole is tricky, but astronomers have devised multiple methods to measure the heft of these galactic gluttons ...

The Hubble Space Telescope has recently captured extraordinary images of a rapidly collapsing star system in the Andromeda ...

Packed tightly together like twinkling stellar beehives, these globular clusters are made up of hundreds of thousands of ...