You may not know it, but right now there's a huge cosmic rave party happening far, far above our heads. The chief party goers are known as supermassive black holes. These mysterious objects can have ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society ...
The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.