Using the joint Japan Aerospace Exploration Agency (JAXA), European Space Agency (ESA), and NASA X-Ray Imaging and Spectroscopy Mission (XRISM), scientists uncovered a dense but surprisingly slow wind ...

An early black hole feeds too fast—yet still blasts X-rays and radio jets.

Astronomers have spotted a rare, rule-breaking quasar in the early Universe that appears to be growing its central black hole ...

A team led by University of Arizona astronomers has discovered the most distant quasar ever found, and they believe it was fully formed 670 million years ago after the big bang. Credit: Illustration ...

Credit: NASA /ESA / Kristina Nyland, et al. Quasars are among the most extreme objects in the cosmos, shining so brightly that the US Navy uses them as navigational beacons. US Naval Academy student ...