Two galaxies have been seen merging 13 billion years ago, less than a billion years after the Universe was born
How collisions between galaxies can lead to their demise
NASA’s Spitzer Space Telescopes has been watching galactic collisions unfold and understand what it means for their future
The event that changed the Milky Way
ESA’s Gaia found evidence in the night sky that points to the fact our galaxy did not form alone
Merging galaxies halt star formation
Analysis of the ‘butterfly’ galaxy NGC 6240 shows black hole ejections and stellar winds stop the birth of new stars
Astronomers discover multiple supermassive black hole pairings
Fewer than ten of these double gigantic high-gravity objects were known previously
Astronomers use the dance of galaxies to see how they merge
The galactic version of David and Goliath, reveal how these gigantic structures coalesce
Astronomers detect orbiting supermassive black holes
This detection of miniature orbital motion could be the missing evidence in the galaxy formation theory