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Space

Pollution on other worlds may show advanced alien life

A NASA telescope should be able to sniff the atmospheres of Earth-sized worlds for industrial gases like CFCs – a sign of civilisation

News

Near-death experiences are overwhelmingly peaceful

News

Supernovae have the right stuff to mix cement in space

Space

Supernovae have the right stuff to mix cement in space

News

Life

Dead exoplanets can have oxygen-rich atmospheres too

News

Even lifeless exoplanets can have oxygen-rich air

News

First animals may have lived with almost no oxygen

Life

First animals may have lived with almost no oxygen

News

Oxygen drop makes people with spine injury more mobile

Health

Oxygen drop makes people with spine injury more mobile

News

Drop air pressure to give chickens a stress-free death

Life

Drop air pressure to give chickens a stress-free death

News

The oceans are heating, acidifying and choking

Earth

The oceans are heating, acidifying and choking

News

Primordial broth of life was a dry Martian cup-a-soup

Life

Primordial broth of life was a dry Martian cup-a-soup

Mars, but not Earth, contained the right elements at the right time to create life's precursor – and this primordial soup was devoid of water

News

Space

Biosphere 2: Saving the world within a world

Features

Last Word

Candle in the wind

Regulars

Earth

Everest's final frontier: Life without oxygen

Features

Life

Dawn of the water eaters: How Earth got its oxygen

Features