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Famous Wow! signal might have been from comets, not aliens

Space

Famous Wow! signal might have been from comets, not aliens

A powerful radio signal from space has puzzled astronomers for decades and led to talk of alien signals, but now there might be a more mundane explanation

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<em>The Visit</em>: What aliens would really mean for us as humans

Life

The Visit: What aliens would really mean for us as humans

CultureLab

<em>Here Be Dragons</em>: Hostile aliens, tall people and black holes

Earth

Here Be Dragons: Hostile aliens, tall people and black holes

CultureLab

Continental break-up set the stage for life in Earth's mantle

Life

Continental break-up set the stage for life in Earth's mantle

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Sniff out alien life with giant library of weird chemicals

Life

Sniff out alien life with giant library of weird chemicals

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Nuclear apocalypse or nanotech invasions could reveal alien life

Life

Nuclear apocalypse or nanotech invasions could reveal alien life

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$100m project uses world's best radio telescopes to find aliens

Life

$100m project uses world's best radio telescopes to find aliens

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The human universe: Could we colonise the stars?

Space

The human universe: Could we colonise the stars?

Features

The human universe: If aliens exist, do they know we're here?

Life

The human universe: If aliens exist, do they know we're here?

Features

Is this ET? Mystery of strange radio bursts from space

Life

Is this ET? Mystery of strange radio bursts from space

Mysterious radio wave flashes from far outside the galaxy are proving tough for astronomers to explain. Is it pulsars? A spy satellite? Or an alien message?

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Earth

Suez superhighway: Stopping the tide of alien invaders

Features

Life

Giant robot eyes scan stars for dust

Regulars

Life

Contacting aliens: War of the worlds or war over cash?

Analysis

Life

Lava could have preserved the origins of life on the moon

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