Phobos-Grunt spirals closer to Earth
Russia's doomed probe for Mars spirals ever closer to the Earth before it plunges back into the atmosphere in a fiery end.
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Parts of Mars probe predicted to hit Earth
Russian space agency Roscosmos says 200kg fragments of the Mars probe Phobos-Grunt may survive re-entry but expects toxic fuel to vaporise.
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Stranded Mars probe 'won't phone home'
Russia has made desperate efforts to give a vital boost to a pioneering Mars probe that now hangs in a low Earth orbit and could crash back down.
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