Astronomers discover black hole awakening after 100 million years and erupting like 'cosmic volcano'
The black hole is located within a vast galaxy cluster
Historians left baffled after ancient 1,800-year-old Roman pools found beneath scrapyard
Archaeologists believe the ancient pools may have served a mysterious religious purpose
Astronomers reveal when 'Great Comet of 2026' will be visible to naked eye - could YOU see it?
Britons have been handed instructions on how best to see the extraterrestrial visitor - and its bright green glow
