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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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Centimeter-sized silicon chip, which has two parallel superconducting oscillators and the quantum-circuit refrigerators connected to them

Technology

Nanofridge could keep quantum computers cool enough to calculate

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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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Physics

5 impossible things the laws of physics might actually allow

Features

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

Space agencies have just been presented with a bold plan to search for aliens on Jupiter’s icy moon through a joint American-European mission

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Space

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

News

Space

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

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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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