These rare merging galaxies, known as NGC 3921, are close enough to be observed in depth, by Hubble Space Telescope.
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This interacting pair of galaxies is included in Arp’s catalog of peculiar galaxies as number 148. Arp 148 is the staggering aftermath of an encounter
The two bright sources at this composite x-ray (blue)/ radio (pink) image are co-orbiting supermassive black holes at the center of active galaxy 3C 75.
New stunning image of M74/NGC628 Galaxy from NASA’s James Webb Space Telescope.
Discovery confirms existence of orbiting supermassive black holes, in a galaxy 750 million light years away.
A NASA scientist just announced a promising new theory about a possible link between primordial black holes and dark matter.
The cat-like features are actually distant galaxies whose light has been stretched and bent by the large amounts of mass contained in foreground galaxies. The
By using NASA’s Hubble Space Telescope, astronomers have found that the nearest galaxy to Earth (Mrk 231) hosting a quasar, is powered by two central
A new proposal which endows dark matter particles with a rare form of electromagnetism, it is a simple theory that may explain mysterious dark matter
This supermassive black hole, with millions to billions times the mass of our sun, lies at the heart of a galaxy called NGC 1365 and