Advanced alien civilisations, if they exist, could satisfy the energy needs of their home planet by migrating near miniature black holes and trapping the potentially unlimited energy around them, ...

One of the most powerful objects in the universe is a radio quasar — a spinning black hole spraying out highly energetic particles. Come too close to one, and you'd get sucked in by its gravitational ...

In the heart of a distant spiral galaxy, a cosmic storm has erupted. This event is unlike anything astronomers have seen before. Leading X-ray space telescopes XMM-Newton and XRISM have spotted a ...