Space
Hurtling star on a path to clip solar system
The orange dwarf Gliese 710 has an 86聽per cent chance of passing through the Oort cloud around the solar system, sending comets speeding our way
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Space
‘Terminator’ asteroids could re-form after nuke
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Space
Dark, dangerous asteroids found lurking near Earth
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Space
Sun’s warmth blows comet’s icy heart apart
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Space
Hubble images site of possible asteroid collision
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Physics
Dying stars eat comets for their last supper
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Space
Panel calls for global ‘asteroid defence agency’
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Space
Hidden asteroids are stalking the Earth
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Physics
Approaching Earth makes asteroids go pale
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Space
Trail of dust may point to fresh violence in asteroid belt
A smashup between two asteroids may explain a mysterious streak of dust that appeared just weeks ago 鈥� if so, it would be the first sign of such a collision in modern times
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Space
Solar system may be more compact than thought
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Life
Life in the inner galaxy would be bombarded by comets
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Earth
Our atmosphere came from outer space
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Earth
Dinosaur-killing impact set Earth to broil, not burn
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