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astrobiology

Top 10: Controversial pieces of evidence for alien life

Life

Top 10: Controversial pieces of evidence for alien life

Over the years many hints have emerged that there might be life beyond Earth. Â鶹´«Ã½ looks at 10 of the most hotly-debated discoveries

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Introduction: Astrobiology

Life

Introduction: Astrobiology

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Extreme seabed-survival boosts hope of aliens

Life

Extreme seabed-survival boosts hope of aliens

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Hunting life in Martian rocks

Life

Hunting life in Martian rocks

Features

Life in the deep freeze

Earth

Life in the deep freeze

Features

Is toxic rain killing organic molecules on Mars?

Life

Is toxic rain killing organic molecules on Mars?

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Life

Electromagnetic space travel for bugs?

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Earth

Life finds a way in the driest desert on Earth

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Why aliens love a good moon

Life

Why aliens love a good moon

Features

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Earth

Earth's earliest life so far, and lots of it

Ancient rock formations in Western Australia may be home to the earliest evidence not only of life on Earth but also of biodiversity

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Life

Earthshine inspires hunt for alien life

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Life

Looking for aliens on the Moon

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Life

Was our universe made for us or not?

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Life

Criticism of NASA science budget grows

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