"If there are lots of black holes out there, some of them must surely pass through our backyard every now and then."

We now know that black holes occur frequently throughout the universe. One Sagittarius A* sits at the center of our galaxy, the Milky Way. In fact, according to NASA most galaxies of a similar size have monster black holes at their center. Sagittarius A* has approximately 4 million times more mass than the Sun.

A new paper explores the idea of asteroid-sized objects that may be causing gravitational ripples in our cosmic neighborhood.

Strange Universe Like a parasite sucking the life force out of its host, an international group of scientists have determined that a supermassive black hole is starving a galaxy of essential materials to make new stars.

Hubble reveals a surprising number of early black holes, offering new insights into their formation. Led by Stockholm University astronomers.