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A blue glow in the clouds, as seen from the window of the ISS

Earth

Upside-down lightning and mystery blue glimpses caught on film

Fantastical light shows go on above thunderclouds, full of little-studied phenomena like upside-down lightning. Now they've been snapped from Earth and the ISS

News

Dawn probe with beam of blue light come from the front

Physics

NASA's Dawn probe may visit third asteroid after Ceres and Vesta

News

ISS

Space

Space station turf war is coming – who will own low Earth orbit?

Insight

SpaceX

Space

SpaceX lands reusable rocket on a barge after four failures

News

Alpha Centauri

Space

Billionaire pledges $100m to send spaceships to Alpha Centauri

News

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

News

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

Space

Private inflatable space station could be launched in 2020

News

NASA recovers prized Kepler space telescope after emergency

Space

NASA recovers prized Kepler space telescope after emergency

News

The International Space Station

Space

Inflatable space hotel to be tested by space station crew

News

Same Blue Origin rocket reaches space and lands for third time

Space

Same Blue Origin rocket reaches space and lands for third time

The private space firm owned by Amazon boss Jeff Bezos is the first to launch and land the same rocket – beating rival SpaceX to the punch

News

Earth

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

Comment

Space

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

News

Space

Gecko Gripper blasts off to help design space-crawling robots

News

Space

Pluto: A whole new world in 5 strange photos

Features