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 ...
NASA's Hubble Space Telescope captured this image of LEDA 1313424, the Bullseye galaxy, which measures 2.5x larger than the Milky Way. LEDA 1313424 has more rings than any other known galaxy in ...