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Our universe contains 10 times more galaxies than we thought

Space

Our universe contains 10 times more galaxies than we thought

The observable universe contains a whopping two trillion galaxies, meaning there may have been a period of rapid galaxy merging in the universe's past

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Disco-ball sail propelled by laser could fly to a nearby star

Space

Disco-ball sail propelled by laser could fly to a nearby star

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Space

Blue Origins in-flight escape system set for test launch

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Blue Origin test of escape system for space tourists a success

Space

Blue Origin test of escape system for space tourists a success

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Picture of spacelane with delta wings

Space

China plans world’s biggest spaceplane to carry 20 tourists

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Rosetta's biggest hits: The comet chaser's top seven discoveries

Space

Rosetta's biggest hits: The comet chaser's top seven discoveries

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Mars-like ice rediscovered in Hawaii volcano, but might not last

Earth

Mars-like ice rediscovered in Hawaii volcano, but might not last

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Our home spiral arm in the Milky Way is less wimpy than thought

Space

Our home spiral arm in the Milky Way is less wimpy than thought

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Red Planet with rocket homing in

Space

Elon Musk's spectacular plan to colonise Mars lacks substance

Analysis

Plumes spotted on Europa raise hopes that we can taste its ocean

Space

Plumes spotted on Europa raise hopes that we can taste its ocean

We've caught Jupiter's icy moon spitting into space a second time - which means it could be easy for a future spacecraft to scoop up a sample and find life

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Space

World's largest telescope array takes its deepest view yet

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Space

Farewell to Rosetta, the comet mission that captivated the world

Comment

Space

New NASA budget could put asteroid-grabbing mission in jeopardy

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Space

‘Alien megastructure’ star may be explained by interstellar junk

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