Space
Air-breathing planes: the spaceships of the future?
Most of the weight in rockets is taken up by oxidisers needed to burn fuel 鈥� future space planes may instead inhale oxygen from the atmosphere
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Earth
Obama backs Moon return in NASA budget
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Space
Astronaut-authored report says NASA needs new direction
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Earth
CO2-tracking satellite crashes after lift-off
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Earth
Satellite to pinpoint sources and sinks of CO2
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Space
Satellite crash ‘worse than missile blast’
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Space
Evidence is mounting that Iran used beefed-up rocket
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Space
Satellite collision ‘more powerful than China’s ASAT test’
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Space
Satellite crash prediction is plagued with uncertainty
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Space
Satellite collision creates copious space junk
Two satellites crashed into each other on Tuesday, generating more than 500 large pieces of debris that could pose a risk to other satellites
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Space
Is Iran’s space programme more advanced than thought?
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Life
Should Mars be treated like a wildlife preserve?
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Life
Kepler telescope launches to hunt for alien Earths
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Space
Gallery: Should Europa or Titan be explored first?
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