"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

The plasma jets of this cosmic giant span 3.3 million light-years from end to end - over 32 times the size of the Milky Way ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society ...

Gaia, the European Space Agency’s observatory that is mapping the Milky Way, has completed the sky-scanning phase of its ...

The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.

To put the wind speeds into perspective, the fastest winds ever observed in our solar system are on Neptune, at a speed of ...