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An unknown radio signal, which may have come from a black hole, colliding neutron stars (or – for those who ‘believe’ – alien life), has been picked up by astronomers live for the first time ever. Its origins remain mysterious.

the night sky might know more

supermassive black hole

Deep Space

a tiny black hole is eating a giant star

black hole

Question mark of the cosmos. Kefaus nebula photographed by Jukka-Pekka Metsävainio.