A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin Imagine the Milky Way and Andromeda as two massive aircraft ...

Further analysis revealed that the black hole was likely ejected due to a galactic collision. Clues from Telescopes in Chile and Hawaii To understand this event, researchers used the Very Large ...

The galactic collision of the Andromeda galaxy and the Milky Way The Andromeda Galaxy, located about 2.5 million light-years from away, is barreling toward the Milky Way. Racing at a speed of 250,000 ...

NASA's Hubble Space Telescope has uncovered 36 new dwarf galaxies around Andromeda and ongoing star formation within them, contradicting previous theo ...

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

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

An unusual elliptical galaxy with a history of absorbing smaller galaxies appears to be approaching its next target.

Astronomers have uncovered a baffling cosmic anomaly — a supermassive black hole in galaxy NGC 5084 that appears to be ...

Astronomers suspect Andromeda had a major collision with another galaxy relatively recently, perhaps 2 to 5 billion years ago. The Milky Way, on the other hand, probably hasn't had a run-in with ...