Space
Alien asteroid dust hints at Earth-like planets
Dust with a similar composition to the Earth has been found swaddling six stars, suggesting rocky planets may be common
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Earth
Comet smashes triggered ancient famine
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Earth
Meteor impacts may have sparked life on Earth
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Space
Has an alien comet infiltrated the solar system?
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Earth
Meteorite hunters hit pay dirt in Canadian prairie
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Space
Big bang’s afterglow may reveal birthplace of comets
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Earth
Did lack of comet impacts help life evolve?
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Space
Science could soar with world’s most powerful rocket
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Space
Mars craters might be scars from fallen moon
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Space
Jupiter produced greatest pounding in Earth’s history
Four billion years ago, the hefty planet kicked many comets and asteroids out towards interstellar space - but then they came back...
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Space
Space rock collides with Earth right on time
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Space
Space rock found on collision course with Earth
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Space
UN urged to coordinate killer asteroid defences
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Space
Rosetta probe flies by ‘diamond in the sky’
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