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immune system

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Earth

Earth's tides are shoving the moon away faster

The North Atlantic is now wide enough to create exceptionally high tides, making the rate of the moon's retreat faster now than it was 50 million years ago

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Astrophile: Saturn's egg moon Methone is made of fluff

Space

Astrophile: Saturn's egg moon Methone is made of fluff

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Why Mercury is a hard orange, not a soft peach

Space

Why Mercury is a hard orange, not a soft peach

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Moon water came from young wet Earth

Space

Moon water came from young wet Earth

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Supersonic cosmic winds blew up giant galactic bubbles

Space

Supersonic cosmic winds blew up giant galactic bubbles

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Jupiter got a soaking from comet Shoemaker-Levy 9

Space

Jupiter got a soaking from comet Shoemaker-Levy 9

Regulars

Closest exoplanet sparks international naming fight

Space

Closest exoplanet sparks international naming fight

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Saturn's rings leave ghostly imprint on atmosphere

Space

Saturn's rings leave ghostly imprint on atmosphere

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Meteorites could have been source of life's batteries

Life

Meteorites could have been source of life's batteries

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Astrophile: Mighty Trojan found marching with Uranus

Space

Astrophile: Mighty Trojan found marching with Uranus

An "impossible" asteroid is sharing the giant planet's orbit, and it hints at the possibility of Earth-like worlds in unexpected places

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Life

Rover finds first life-friendly environment on Mars

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Space

Salty water oozes up from Jupiter moon's hidden ocean

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Space

Mystery ring of radiation briefly encircled Earth

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Space

Space gold rush should not be a free-for-all

Opinion

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