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atomic clock

Technology

Atomic clocks make best measurement yet of relativity of time

Einstein's relativity has survived another test, carried out using a network of synchronised atomic clocks in three European cities

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Space

ExoMars dips into the Martian atmosphere to sniff for life

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Asteroid clay is a better space radiation shield than aluminium

Space

Asteroid clay is a better space radiation shield than aluminium

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Could fast radio bursts really be powering alien space ships?

Space

Could fast radio bursts really be powering alien space ships?

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NASA's new budget is big on other worlds but ignores our own

Space

NASA's new budget is big on other worlds but ignores our own

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rocket launch

Space

Moon billionaires: how Elon Musk is taking us back to the future

Analysis

Space

China's new rocket makes its debut flight into space

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A satellite

Space

Signal-tracking satellite would build its own antenna in space

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Musk's moon trip 'tourists' should be praised as pioneers

Space

Musk's moon trip 'tourists' should be praised as pioneers

Comment

Dragon

Space

SpaceX follows Jules Verne – with one exception

Jules Verne predicted many technical features of the Apollo moon missions – did he’s get the politics of SpaceX’s moonshot right too?

Leader

Physics

Cosmic uncertainty: Does time go both ways?

Features

Space

SpaceX plans to send two civilians around the moon next year

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Space

Voyager 1 might have seen Enceladus’ icy plumes 25 years early

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Space

Successful Russian launch re-paves the way to space station

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