Astronomers discover 'mystery object' surrounded by rotating metal cloud
A nearby star became 40 times dimmer over a short timespan - which at first baffled scientists
Space
Astronomers discover black hole awakening after 100 million years and erupting like 'cosmic volcano'
The black hole is located within a vast galaxy cluster
Mystery of 'little red dots' in space is solved as astronomers confirm 'violent forces' at hand
The strange dots vanished without explanation around 12 billion years ago - and scientists now think they know why
