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Space

NASA rover adds new twist to Mars methane mystery

The first test for the gas from within the Martian atmosphere came up essentially empty, but Curiosity scientists say the hunt has just begun

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Martian genome: Is there DNA on the Red Planet?

Life

Martian genome: Is there DNA on the Red Planet?

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Astrophile: Moon melding made Titan a chimera

Space

Astrophile: Moon melding made Titan a chimera

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Fast-spinning Earth settles mystery of moon's make-up

Space

Fast-spinning Earth settles mystery of moon's make-up

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Confounded by Mars: Climate history thrown into doubt

Space

Confounded by Mars: Climate history thrown into doubt

Features

Astrophile: First puffy, 'warm Jupiter' spotted

Space

Astrophile: First puffy, 'warm Jupiter' spotted

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Black glass holds first Mars soil sample on Earth

Space

Black glass holds first Mars soil sample on Earth

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Why do we think Curiosity found an old Mars riverbed?

Space

Why do we think Curiosity found an old Mars riverbed?

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Solar maximum? Oh, you just missed it

Space

Solar maximum? Oh, you just missed it

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Asteroid Vesta's hydrogen suggests water-delivery role

Space

Asteroid Vesta's hydrogen suggests water-delivery role

Meteor impacts probably delivered water-bearing minerals to the space rock long ago, which may be how water arrived on early Earth

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Space

Sizing up a new measuring ruler for the solar system

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Space

Fresh Jupiter impact may aid solar system census

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Space

Moon's magnetic umbrellas may shield future spaceships

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Space

Moon's magnetic umbrellas may shield future spaceships

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