Black hole cosmology "suggests that the Milky Way and every other observable galaxy in our universe is contained within a black hole that formed in another, much larger, universe," said The ...

Deep within the Milky Way’s core, researchers have uncovered cold gas clouds racing through a superheated galactic wind.

Are we living in a cosmic void? New theory suggests our galaxy sits in a giant hole warping the universe's expansion.

Astronomers have studied the globular cluster 47 Tucanae extensively, but still have many questions. It may have an ...