By conducting multiwavelength observations with various telescopes and space observatories, astronomers from Tsinghua ...

A rogue, middle-mass black hole has been spotted disrupting an orbiting star in the halo of a distant galaxy, and it's all ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

They then followed its evolution with ESA's XMM-Newton space observatory. "X-ray sources with such extreme luminosity are rare outside galaxy nuclei and can serve as a key probe for identifying ...

The latest approach has been to use Fast Radio Bursts (FRBs), powerful emissions of radio waves that last just a fraction of ...

Supermassive black holes, sitting at the core of galaxies, are known to be active and emit a lot of X-rays. Finding one way ...

The object, named NGC 6099 HLX-1, first appeared in 2009. Chandra caught the bright X-ray flash near the galaxy’s outskirts.

Astronomers may have found a rare intermediate-mass black hole outside galaxy NGC 6099—offering clues about how bigger black holes form.

Astronomers have witnessed something incredible: a supermassive black hole that was dormant for decades suddenly waking up ...

Martin Newton continues his family's legacy as he prepares to become NCAA Division I Men's Basketball Committee chair, marking a historic first.

Cam Newton believes some analysts at ESPN play favorites with their NFL takes to protect athletes they are personally close with.