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The Milky Way

Space

Never-before-seen galaxy spotted orbiting the Milky Way

The Crater 2 dwarf is our galaxy's fourth biggest satellite, but its ghostly nature let it elude detection – until now

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two galaxies

Space

Our galaxy's impossible collision could break gravity

Features

Billion-light-year galactic wall may be largest object in cosmos

Space

Billion-light-year galactic wall may be largest object in cosmos

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Galactic collisions doom entire star systems to black-hole death

Space

Galactic collisions doom entire star systems to black-hole death

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Milky Way

Space

Ageing Milky Way stopped making stars before it ran out of gas

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Binary star system in Pismis 24, Hubble Space Telescope image

Space

Binary stars burned off cosmic fog and made universe transparent

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A star-forming region in the Large Magellanic Cloud

Space

Long-lost stellar siblings probe the Milky Way's violent history

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Lighthouse

Space

Galactic GPS: How dead stars will guide us in deep space

Features

Ancient quasars in distant galaxies caught switching on suddenly

Space

Ancient quasars in distant galaxies caught switching on suddenly

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Little galaxy's own stars cast 95 per cent of its oxygen away

Space

Little galaxy's own stars cast 95 per cent of its oxygen away

Tiny Leo P has lost most of its oxygen. New observations suggest the culprits are the same stars that created the element

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Space

Galactic smash-ups turn on the lights around black holes

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Space

Epic cosmic radio burst finally seen in real time

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Space

Neutrino no-show deepens cosmic ray mystery

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Space

Astrophile: Attack of the mystery green blobs

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