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immune system

Solar system's planets could spin out of control

Space

Solar system's planets could spin out of control

The clockwork motion of our solar system is by no means guaranteed – one day the planets could leave their orbits and collide, a simulation shows

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Japanese probe set to crash into moon

Space

Japanese probe set to crash into moon

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Rusty space rocks could signal Mars water

Space

Rusty space rocks could signal Mars water

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Stuck Mars rover peeks beneath its belly

Space

Stuck Mars rover peeks beneath its belly

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Broken dwarf planet may have scarred the moon

Space

Broken dwarf planet may have scarred the moon

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Will summer never end in Titan's south?

Space

Will summer never end in Titan's south?

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Mysterious night-shining clouds may peak this year

Earth

Mysterious night-shining clouds may peak this year

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Why is the Earth moving away from the sun?

Space

Why is the Earth moving away from the sun?

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Freeze-thaw cycle may explain Saturn moon's odd activity

Life

Freeze-thaw cycle may explain Saturn moon's odd activity

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Earth's protective shield is stealing our air

Earth

Earth's protective shield is stealing our air

The magnetosphere, long seen as our benign protector from the sun, may actually be focusing energy into the poles and aiding atmospheric loss

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Earth

Space storm caught slamming into Earth's atmosphere

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Space

Stealth storm erupts from the sun

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Space

Space shuttle masquerades as sunspot in new image

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Space

Gallery: The most important telescopes in history

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