Space
Ghostly galaxies burned off mysterious cosmic fog
Hubble's deepest views of space show that galaxies sparked the reionisation that made the universe transparent, although many are too faint for it to see
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Hubble's deepest views of space show that galaxies sparked the reionisation that made the universe transparent, although many are too faint for it to see
A star that appeared to explode this year might actually have merged with another massive star – shedding light on the chemical make-up of the universe