Astronomers have discovered a record-breaking black hole moving at over 1,000 km/s, believed to have been ejected after ...

A new image shows Arp 105, a dazzling ongoing union between an elliptical galaxy and a spiral galaxy drawn together by ...

The Hubble Space Telescope captured the rare merger of two galaxies, which are forming what's been dubbed a "cosmic guitar." ...

The researchers propose that this ejection resulted from the collision of two galaxies, causing their central black holes to ...