Astronomers have long debated the role of galaxy mergers in powering active supermassive black holes. Now an unprecedented dataset of a million galaxies from the Euclid telescope provides evidence ...

Galaxies by intermittent ring releases of stellar seeds from two attached galactic seeds (double disc galaxy, Type 3–1). (a) no rotation of the two galactic seeds Ω1.1 = 0, (b) —(e) rotation by Ω1.1 = ...

Galaxies like our Milky Way grew through cascading mergers of smaller galaxies that began billions of years ago. The ancient ...

Hundreds of billions of galaxies are estimated to exist in the universe, each an island of stars, gas, and dust with dark matter in the vast cosmic expanse, each one unique. It is this diversity that ...