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�鶹��ý. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

How to find ET: 7 ways aliens might give themselves away

Life

How to find ET: 7 ways aliens might give themselves away

We keep waiting for aliens to get in touch – but there could be smarter trails to follow, from feats of cosmic engineering to interplanetary pollution

Features

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

Space

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

News

<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

News

Sniff out alien life with giant library of weird chemicals

Life

Sniff out alien life with giant library of weird chemicals

News

Nuclear apocalypse or nanotech invasions could reveal alien life

Life

Nuclear apocalypse or nanotech invasions could reveal alien life

News

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

Life

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

News

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

The human universe: Could we colonise the stars?

Space

The human universe: Could we colonise the stars?

If we really are alone in the universe, should we take Earth's life to other planets? Especially as we might already have the means

Features

Life

Is this ET? Mystery of strange radio bursts from space

News

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