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The Grand Canyon from the ISS.

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From the International Space Station

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Chris Hadfield on

Space Horizon - from a Pacific thunderstorm to infinity.

Supermoon over Colorado.

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We won? Zebrafish larvae startled after hearing their extreme close-up image has taken first prize in science photo contest

Volker Brinkmann image shows a scanning electronic recording of a white blood cell (in red), 'eating' tuberculosis bacteria (in green)