New observations have prompted astronomers to rethink their theories about some of the universe’s invisible objects.
Space pictures: New images reveal 'galactic neighbourhood
Black hole shock: Millions of hidden black holes are draining the
Black hole - latest news, breaking stories and comment - The
A Black Hole Threw a Star Out of the Milky Way Galaxy - The New
The new mystery hidden inside the Universe's biggest ever black
Black hole shock: Millions of hidden black holes are draining the
Supermassive black hole: 1st image of Sagittarius A* at the center
What is a black hole? University of Chicago News
New Calculations Show How to Escape Hawking's Black Hole Paradox
Could Earth be swallowed by a black hole?