Three galaxies are colliding, and all of them are hiding something powerful at their core. This isn’t just rare. It’s unheard ...

Astronomers have uncovered surprising evidence that challenges a long-standing rule about quasars, some of the brightest ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

Three merging galaxies host three active black holes, offering rare insight into galaxy and black hole growth.

APM 08279-5255 is a massive black hole (quasar) that contains about 140 trillion times the amount in all of Earth’s oceans ...

All three galaxies were interacting with each other. In each galaxy, there was a supermassive black hole that was active and ...

This suggests that black hole growth during mergers is inefficient and uneven. Rather than steadily consuming gas, black ...

Astronomers have spotted three merging galaxies where all central black holes are actively feeding and radio bright, ...

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

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

Astronomers noticed something odd while reviewing radio data from distant space. Three bright signals appeared close together ...

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