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, ...

The moon did indeed coalesce out of tiny bits of pulverized planet blasted into space by a catastrophic collision 4.5 billion years ago, two new studies suggest. The new research potentially plugs a ...

Published in a new study available in pre-print on arXiv, this discovery of NGC 1052-DF9 adds significant weight to the ...