In a discovery that is rewriting the rulebook of astrophysics, scientists peering into the depths of the cosmos have stumbled ...

XMM-Newton has been surprised by a rare type of galaxy, from which it has detected a higher number of X-rays than thought possible. The observation gives new insight into the powerful processes ...

Astronomers have reached deeper into the heart of a brilliant cosmic engine than ever before, using NASA’s Hubble Space Telescope to capture a rare, close-up view of a quasar’s core. Quasars are some ...