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Rusty space rocks could signal Mars water

Space

Rusty space rocks could signal Mars water

NASA's Opportunity rover has turned up possible iron-bearing meteorites whose rust levels could help gauge local weathering

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Stuck Mars rover peeks beneath its belly

Space

Stuck Mars rover peeks beneath its belly

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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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Broken dwarf planet may have scarred the moon

Space

Broken dwarf planet may have scarred the moon

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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

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Earth

Space storm caught slamming into Earth's atmosphere

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Stealth storm erupts from the sun

Space

Stealth storm erupts from the sun

Space probes spot a 3-billion-tonne blast that emerged from the sun's surface without the usual warning signs

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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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Space

Mars rover may not escape sand trap for weeks

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Earth

Solar cycle will be weakest since 1928, forecasters say

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