Space
Hidden asteroids are stalking the Earth
A 10-metre rock that buzzed Earth last week is the 'poster child' for a small class of asteroids whose orbits make them nearly impossible to spot
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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
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Space
Solar system ‘on fire’ burned up Earth’s carbon
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Space
Solar system may be more compact than thought
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Space
Crystal mountains speak of moon’s molten past
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Physics
Top 10 space stories of 2009
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Space
2009 review: The year in space
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Space
Are we looking in the wrong places for water on the moon?
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Earth
Our atmosphere came from outer space
Comets may have given birth to Earth's atmosphere, rather than volcanoes spewing gases from deep within the planet
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Space
Large moon of Uranus may explain odd tilt
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Life
Long-lived Titan lakes are boon to life
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Space
New space telescope to hunt for stealth asteroids
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Life
Icy moon’s lakes brim with hearty soup for life
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