New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

A record-bright LFBOT exposes violent encounters between black holes and stars, helping astronomers understand extreme black ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

Black holes have long captured the imagination of both scientists and the general public. These exotic objects—once thought ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

One story rose above all the others — new and older telescopes are putting us on the cusp of monumental discoveries about our universe.

Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing ...

Astronomers found signs of a past stellar collision in a red giant orbiting a dormant black hole. Starquakes show the star is ...