The current rate of star formation at the Galactic Center appears to be lower than in the rest of the Galaxy. A new study led ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...

Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why ...

A mosaic of the images of 378 satellites across 101 Milky Way-like systems that the SAGA team has surveyed. The satellite images are sorted by their luminosity from left to right. Is our home galaxy, ...