Earth
Asteroids make life’s raw materials
Rocks from an asteroid have been shown to power the synthesis of life's essential chemicals for the first time
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Space
Hobbyist photos used to recreate comet orbit
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Space
NASA kills off comet hunter
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Space
Found: crater from Deep Impact’s comet crash
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Space
Smash rocks to test how planets form
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Space
Probe to survey comet dented by Deep Impact mission
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Space
Geminid meteors set to dazzle
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Earth
Lucky strike gave Earth its gold
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Space
Space debris may cause mysterious ball lightning
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Space
Comet caught throwing basketball-sized snowballs
The phenomenon, which has never been seen before, was observed by NASA's Deep Impact probe during a recent flyby of Comet Hartley 2
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Space
Spacecraft is first to bring asteroid dust to Earth
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Space
Solved: mystery of the meteor-shedding asteroid
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Earth
Cosmic accidents: Killer asteroid with a silver lining
Features
Space
Ancient Greeks spotted Halley’s comet
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