Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way's ...

a satellite of our galaxy, may have its own supermassive black hole. Evidence for this hidden cosmic titan was delivered via hypervelocity stars at the edge of the Milky Way; these 'runaway stars ...

The researchers used data from the European Space Agency's Gaia space observatory that has tracked more than a billion stars in our galaxy with unprecedented precision. There are 21 known ...

This rethink was brought about by an FRB first detected last year, which has been traced back to the "cosmic graveyard" of a massive "dead" galaxy filled with ancient stars located 2 billion light ...