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We know the best spots to look for alien life – can we get to them?

Space

We know the best spots to look for alien life – can we get to them?

Extraterrestrial oceans are an obvious place to search for alien life, but getting there and having a look won't be easy, says NASA's Kevin Hand in his book Alien Oceans

Culture

Astronomical time can help us put lockdown into perspective

Space

Astronomical time can help us put lockdown into perspective

Comment

Weird magnetic threads in sun's corona seen for the first time

Space

Weird magnetic threads in sun's corona seen for the first time

Regulars

Long space flights can increase the volume of astronauts’ brains

Space

Long space flights can increase the volume of astronauts’ brains

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We may have spotted a parallel universe going backwards in time

Space

We may have spotted a parallel universe going backwards in time

Features

Cecilia Payne-Gaposchkin: The unsung discoverer of star chemistry

Space

Cecilia Payne-Gaposchkin: The unsung discoverer of star chemistry

Culture

Water ice in a crater on Mars

Mars may have had hot springs millions of years ago

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Asteroid

Life

Dino-killing asteroid choked whole world in dust within a few hours

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We still don't understand a basic fact about the universe

Space

We still don't understand a basic fact about the universe

Comment

Mysterious crater on Mars could be a good place to look for life

Space

Mysterious crater on Mars could be a good place to look for life

Could life on Mars have hidden from extreme weather in a cavern on the Pavonis Mons volcano? This 2011 orbiter image of an otherworldly crater has NASA asking just that

Regulars

Space

Lettuce grown on space station is just as good as on Earth

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Space

SpaceX plans to send 3 tourists to the space station next year

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Space

How red is a black hole? The strange reality of what space looks like

Features

Space

Rocket start-up Astra tries back-to-back launches to win $12 million

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