Space
We could find advanced aliens by looking for their space junk
If there are alien civilisations as technologically advanced as us, we could possibly find them by looking for rings of orbiting satellites around their worlds
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Space
We may have already found signs of alien microbes on Enceladus
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Space
Pre-life molecules found floating in nearby galaxy
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Space
Early Earth’s air may show us how to find signs of alien life
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Earth
Deadly solar flares may have helped seed life on Mars and beyond
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Space
Tides and atmospheres on TRAPPIST-1 planets may help life thrive
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Life
Why complex life could prove remarkably common in the universe
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Space
Planets near dangerous stars could shield alien life under smog
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Space
Jupiter’s icy moon Europa has a hidden ‘conveyer belt’ of heat
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Life
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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Life
Private mission may get us back to Enceladus sooner than NASA
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Space
Ocean-covered planets may not be the places to search for life
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Humans
The message we’re sending to nearby aliens is no threat to Earth
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Space
We just sent a message to try to talk to aliens on another world
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