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Earth

For instant climate change, just add one large comet

Two geologists claim atmospheric CO2 levels more than doubled in a single year 55 million years ago – the speed makes a comet impact the likely culprit

News

Space

Earth's super-siblings grew up very differently

News

'Black glass' could be first comet chunk found on Earth

Space

'Black glass' could be first comet chunk found on Earth

News

Astrophile: Lost moon Naiad swims back into view

Space

Astrophile: Lost moon Naiad swims back into view

News

Space

Supernova echoes found trapped in meteorite metals

News

Virgin Galactic joins the reality TV space race

Space

Virgin Galactic joins the reality TV space race

News

Astrophile: The climate-shaping supervolcanoes of Mars

Space

Astrophile: The climate-shaping supervolcanoes of Mars

News

Historic shots of Io revealed a world on fire

Space

Historic shots of Io revealed a world on fire

Regulars

Spacecraft army gears up to watch rare sun-diving comet

Space

Spacecraft army gears up to watch rare sun-diving comet

News

Mystery deepens as Martian methane eludes Curiosity

Space

Mystery deepens as Martian methane eludes Curiosity

The Mars rover's first deep breaths are methane-free, contradicting previous results that hinted at life

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Space

NASA says Voyager 1 has left the solar system, honest

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Space

Spot of bother: have we been getting solar activity wrong?

Features

Life

Cell scaffolding found in odd California meteorite

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Space

Solar system caught in an interstellar tempest

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