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International Space Station

SpaceX

Space

SpaceX lands reusable rocket on a barge after four failures

Last week SpaceX successfully landed the first stage of its Falcon 9 rocket on an ocean barge, paving the way for reusable rockets and cheaper space flight

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Alpha Centauri

Space

Billionaire pledges $100m to send spaceships to Alpha Centauri

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Artwork of an asteroid zooming away from us with lots of cogs and engine parts attached to its backside

Space

Our top 5 wacky NASA missions that might just happen

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Artist's impression of Bigelow Aerospace's B330 modules in space

Space

Private inflatable space station could be launched in 2020

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NASA recovers prized Kepler space telescope after emergency

Space

NASA recovers prized Kepler space telescope after emergency

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The International Space Station

Space

Inflatable space hotel to be tested by space station crew

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Same Blue Origin rocket reaches space and lands for third time

Space

Same Blue Origin rocket reaches space and lands for third time

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Scott Kelly selfie on the International Space Station, with a view of Earth out the window behind him

Earth

Colonise Mars as humanity's plan B? It's a dangerous fantasy

Comment

Lasers could hide Earth from aliens – or tell them we're here

Space

Lasers could hide Earth from aliens – or tell them we're here

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An artist's impression showing a small robot with four legs and gecko-like feet crawling over the outside of a spacecraft, with the surface of Earth visible over the top of the page

Space

Gecko Gripper blasts off to help design space-crawling robots

Tuesday's Cygnus launch to the International Space Station carried material inspired by gecko feet. It could help robots crawl over the ISS's exterior

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Space

Pluto: A whole new world in 5 strange photos

Features

Space

NASA is sending a 3D printer and a fire starter to the ISS

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Space

Space X reusable rocket won't be reused after heavy landing

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Space

ExoMars probe set to sniff out signs of life on the Red Planet

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