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immune system

Artist's impression of New Horizons reaching Pluto

Space

Five incredible things we know about Pluto since 2015’s fly-by

New Horizons buzzed by Pluto and its moons last July, giving us a front-row seat to see icy peaks, towering atmospheric haze, a kilometres-deep canyon and more

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space

Space

Cosmic carve-up: Law and plunder on the final frontier

Features

NASA approves new far-flung destination for Pluto space probe

Space

NASA approves new far-flung destination for Pluto space probe

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Looking back at Viking, the first mission to Mars

Space

Looking back at Viking, the first mission to Mars

Culture

Mercury

Space

Homebrew meteorites reveal origins of Mercury’s weird crust

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Rip up the rule book and let NASA's Mars rover check 'life' zone

Life

Rip up the rule book and let NASA's Mars rover check 'life' zone

Comment

Hubble spots a new long-lived storm raging on Neptune

Space

Hubble spots a new long-lived storm raging on Neptune

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A detailed view of Pluto's surface taken by NASA's New Horizons craft

Space

Pluto must have liquid ocean or it'd look like an overripe peach

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Comet 67P/Churyumov-Gerasimenko

Space

I smelled comet 67P's deadly pong and lived to tell the tale

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Asteroids keep their rings safe from gas giants’ clutches

Space

Asteroids keep their rings safe from gas giants’ clutches

If an asteroid acquires rings, it’s likely to hang on to them – so more space rocks may have rings than we thought. If only we knew how they got there

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Space

The alien world that's being vaporised by a death ray

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Life

Is NASA doing enough to look for alien life?

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Life

Ocean worlds could host life under layers of high-pressure ice

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Health

'People said I was mad': Why I chose extreme treatment for my MS

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