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Tired woman holding alarm clock on head

Earth

Changing clocks twice a year is bad for health and energy use

Are you feeling tired today? Much of the UK got up an hour earlier this morning, a change that has been linked to heart attacks and strokes in some countries

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Stray supermassive black hole flung away by gravitational waves

Space

Stray supermassive black hole flung away by gravitational waves

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Space

ExoMars dips into the Martian atmosphere to sniff for life

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atomic clock

Technology

Atomic clocks make best measurement yet of relativity of time

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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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Space

China's new rocket makes its debut flight into space

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rocket launch

Space

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

Analysis

A satellite

Space

Signal-tracking satellite would build its own antenna in space

A British company is working on manufacturing parts in space using pultrusion technology. It plans to use it on satellites designed to track radio signals

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Space

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

Comment

Space

SpaceX follows Jules Verne – with one exception

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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