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immune system

Invisible hissing doughnut is Earth's radiation shield

Space

Invisible hissing doughnut is Earth's radiation shield

Hissing static just beneath Earth's protective plasma layer has been found to limit how close radiation can get to the planet

Regulars

Saturn's calming nature keeps Earth friendly to life

Life

Saturn's calming nature keeps Earth friendly to life

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Chance to bury your DNA on the moon in a time capsule

Space

Chance to bury your DNA on the moon in a time capsule

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Centaurs galloped into Saturn's rings

Space

Centaurs galloped into Saturn's rings

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Rosetta: Days from the toughest space landing ever

Space

Rosetta: Days from the toughest space landing ever

Features

Troublesome sunspot spins out of view

Space

Troublesome sunspot spins out of view

Regulars

Earth's blue beauty glimpsed from far side of the moon

Space

Earth's blue beauty glimpsed from far side of the moon

Regulars

Weird wet worlds: Why Earth is lucky to have oceans

Earth

Weird wet worlds: Why Earth is lucky to have oceans

Features

Massive flares erupt from largest sunspot in 25 years

Space

Massive flares erupt from largest sunspot in 25 years

Regulars

Comet stinks of rotten eggs and cat wee, finds Rosetta

Space

Comet stinks of rotten eggs and cat wee, finds Rosetta

Data from the European Space Agency's Rosetta probe reveals that eau de comet 67P/Churyumov-Gerasimenko smells awful – but that's good news

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Space

Sleepy sun could make Mars trips deadly

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Space

Saturn's moon Mimas might have its own subsurface sea

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Space

Lunar volcanoes suggest the moon may still be warm

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Space

Rosetta's latest selfie: just showing off now

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