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immune system

Are Venus and Earth in a long-distance relationship?

Space

Are Venus and Earth in a long-distance relationship?

Our planet may be tugging at Venus's heart, explaining a curious coincidence when the two are at their closest approach

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Evidence for life on Mars may be staring us in the face

Life

Evidence for life on Mars may be staring us in the face

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Apollo rocks dusted off to find new evidence of water

Space

Apollo rocks dusted off to find new evidence of water

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Martian moon's secrets to be revealed during fly-bys

Space

Martian moon's secrets to be revealed during fly-bys

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Mars rover Spirit could rise again

Space

Mars rover Spirit could rise again

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Dusty mirrors on the moon obscure tests of relativity

Space

Dusty mirrors on the moon obscure tests of relativity

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Martian sheen: Life on the rocks

Life

Martian sheen: Life on the rocks

Features

NASA poised to launch solar watchdog

Space

NASA poised to launch solar watchdog

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Hubble images site of possible asteroid collision

Space

Hubble images site of possible asteroid collision

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Cassini probe to get first look at new season on Saturn

Space

Cassini probe to get first look at new season on Saturn

NASA has extended the spacecraft's mission until 2017, meaning it will get the first detailed look at summer in Saturn's northern hemisphere

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Space

Smart dust could give early warning of space storms

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Space

NASA nixes moon plan, leaving options wide open

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Space

Destination Phobos: humanity's next giant leap

Features

Space

Trapped Mars rover's driving days are over

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