Stars discovered in the Milky Way's halo could be what remains of smaller galaxies that were eaten to form the our galaxy. ->
A previously unknown magnetic field appears to be polarizing radio emissions from two vast lobes projecting from the Milky Way's core. ->
At the center of our galaxy resides an invisible monster -- let's take a closer look.
The Milky Way, it appears, is swimming in a huge pool of super hot gas.