Space
Swarm of pebbles could safely deflect asteroids
Pebbles could knock an Earth-bound asteroid off course without cracking it into pieces still dangerous in size
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Space
California meteorite is rare rock laden with organics
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Space
Astrophile: Mars coils hold with those who favour fire
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Space
Astrophile: an alien sunrise just like Earth’s
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Space
Astrophile: Ferocious superwind will seal sun’s doom
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Space
Early asteroids blinged up by meteorite impacts
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Earth
Age of oldest rocks off by millions of years
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Space
New space radars track small but deadly space junk
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Space
Stars put up safety barriers for planets
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Space
Deep future: Where will we explore?
As we spread into the cosmos, the route we take will be shaped by old and familiar human desires 鈥� and perhaps even a dash of religious fervour
Features
Space
Planetary scientists battle over NASA’s Mars budget
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Earth
Ocean current slowdown made Earth spin faster
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Physics
LARES ‘mirror ball’ sat will test Einstein’s theory
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Space
Tiny volcanic moon controls Jupiter’s auroras
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