The technological race for the future has been at a dead sprint for decades, but some early retro gadgets retain plenty of ...

A new class of cosmic explosions — which emit more energy than any other brightness-changing event — may come from megastars getting shredded by supermassive black holes (illustrated). Adam ...

Our galaxy’s centre may contain an exceptional cosmic spinning top – a black hole that seems to be spinning almost as fast as possible.

Astronomers detect an ultramassive black hole weighing 36 billion suns in the galaxy LRG 3-757, a record thanks to gravitational lenses.