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What vision of doom made Hawking seek a faster Earth exit plan?

Space

What vision of doom made Hawking seek a faster Earth exit plan?

Stephen Hawking now says humanity must colonise other worlds within a century, rather than 1000 years, to ensure survival. Why the rush, asks Dirk Schulze-Makuch

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Saturn

Space

Watch Cassini's first two dives between Saturn and its rings

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Saturn

Space

Cassini takes first plunge between Saturn's rings

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An astronaut in a spacesuit during a space walk

Space

NASA might run out of space suits before it quits the ISS

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Marvel at the images from Cassini's first Grand Finale orbit

Space

Marvel at the images from Cassini's first Grand Finale orbit

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First look at images from Cassini's dive between Saturn's rings

Space

First look at images from Cassini's dive between Saturn's rings

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Melting moons could support liveable atmospheres for aeons

Space

Melting moons could support liveable atmospheres for aeons

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Europa

Space

Joint mission to Europa could seek life under the ice

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Icy Enceladus’s tiger stripes are a window on its watery depths

Space

Icy Enceladus’s tiger stripes are a window on its watery depths

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Quickest we could visit another star is 69 years – here’s how

Space

Quickest we could visit another star is 69 years – here’s how

It may be faster to send a spacecraft to Sirius than our closest star, thanks to a trick using starlight to slow it down

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Space

Satellite swarms could increase space junk risk by 50 per cent

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Space

Many tiny galaxies could host mammoth black holes

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Space

Saturn's flying saucer moon Atlas has a smooth fluffy edge

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Space

Mars's atmosphere hosts metal layers that shouldn't exist

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