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alien life

artist's impression of an exoplanet

Space

We may have found 20 habitable worlds hiding in plain sight

After taking another look at data from the Kepler space telescope’s original mission we have spotted 20 possible Earth-like worlds that could host life

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Exoplanet and moon

Space

Possible exomoon may be an ocean-covered world as big as Saturn

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Proxima b

Space

Our closest star system may be home to a stolen star and planet

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Nine probes reached the outer solar system: Where are they now?

Space

Nine probes reached the outer solar system: Where are they now?

Features

Some TRAPPIST-1 planets may have the right conditions for water

Space

Some TRAPPIST-1 planets may have the right conditions for water

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We’ve just seen 15 new mysterious cosmic radio bursts from space

Space

We’ve just seen 15 new mysterious cosmic radio bursts from space

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artist's concept of plumes on Europa

Space

One of Europa’s plumes may not exist, making hunt for life hard

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Kepler planetary disk

Space

‘Alien megastructure’ star may host Saturn-like exoplanet

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Futuristic city

Space

Science fiction picks: Time for a reality check

Culture

Titan

Space

Building blocks of alien cells found on Saturn’s largest moon

The discovery of two compounds that could help make cells only adds to Titan’s image as the most promising place in our solar system to look for alien life

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Physics

Aliens slumbering for billions of years are out there – really?

Comment

Life

The best way to detect aliens may be by finding their footprints

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Space

The exoplanet zoo – a whistle-stop tour

Features

Life

The ethics issue: Should we colonise other planets?

Features

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