LEDA 1313424, aptly nicknamed the Bullseye, is two and a half times the size of our Milky Way and has nine rings — six more than any other known galaxy. This NASA/ESA Hubble Space Telescope image ...
Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.
Astronomers have made an exciting discovery—a massive radio jet stretching 200,000 light-years across from a distant quasar. This is the largest radio jet ever found in the early universe, and it ...