Astronomers prepare two space-borne tools that will investigate behemoth black holes

Two future ESA missions will provide a unique insight into enormous cosmic collisions with black holes

Rare black hole seen shredding a star

This kind of event has only been clearly seen at the centre of a galaxy before, not at the outer edges

NASA’s Chandra X-ray Observatory and other telescopes have revealed details about a giant black hole, located some 145 million light years away

An odd flash of X-rays has been discovered by NASA’s Chandra X-ray Observatory in the deepest X-ray image ever obtained

The dual-star system produces a cyclic flood of gamma rays, the highest-energy form of light

Astronomers have found evidence for what is likely one of the most extreme pulsars, or rotating neutron stars, found

A giant jet spanning continuously for many light years is seen racing out of the galaxy Pictor A