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An astronaut outside the International Space Station

Space

No, aliens aren't lurking on the International Space Station

History tells us that earthly contamination is by far the most likely explanation for “extraterrestrial” bacteria found on the ISS hull, says Geraint Lewis

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Weird tiny galaxies found hiding in Hubble’s Ultra Deep Field

Space

Weird tiny galaxies found hiding in Hubble’s Ultra Deep Field

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Hey, Flat Earther, no need to launch a rocket to test your ideas

Physics

Hey, Flat Earther, no need to launch a rocket to test your ideas

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purple sky with lightning and a plane in the background

Physics

Lightning leaves clouds of radiation and antimatter in its wake

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Enceladus

Life

Private mission may get us back to Enceladus sooner than NASA

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The 'space nation' Asgardia just launched its first satellite

Space

The 'space nation' Asgardia just launched its first satellite

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Light sail starship

Space

Should we seed life through the cosmos using laser-driven ships?

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Tracking the first interstellar asteroid back to its home star

Space

Tracking the first interstellar asteroid back to its home star

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Giant star smash-up may have made the biggest neutron star ever

Space

Giant star smash-up may have made the biggest neutron star ever

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Space

Five firms aim to power moon-orbiting way station to deep space

Deep Space Gateway is NASA’s planned outpost at the moon for launches to other worlds. The agency has awarded 5 contracts to start working out how to power it

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Space

Enceladus’s hot, gritty core may cook up ingredients for life

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Physics

Why Hawking's PhD thesis is now an internet-breaking inspiration

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Space

We may have found 20 habitable worlds hiding in plain sight

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Space

Space changes how your brain thinks and it starts right away

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