A violent collision between two dwarf galaxies strips them of their dark matter.
Astronomers have long argued that dark matter is the invisible scaffolding that holds galaxies together. Without its immense ...
A series of viral social media posts drew attention to an old cosmological theory-that our universe began from a collision between two separated universes-as a brand new scientific discovery. However, ...
Published in a new study available in pre-print on arXiv, this discovery of NGC 1052-DF9 adds significant weight to the ...