Physics
Strange signals from 234 stars could be ET – or human error
Two Canadian astrophysicists claim they鈥檝e detected intelligent signals from 234 sun-like stars - but don鈥檛 get your hopes up yet
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Space
Plumes spotted on Europa raise hopes that we can taste its ocean
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Space
If Earth-like planet Proxima b has life, what might it be like?
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Earth
Genesis in a jar: How chemical gardens may lead us to alien life
Features
Space
Fleet of robots could hunt for life on icy moon Enceladus
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Space
Old planets always get too hot or cold for life in the end
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Life
Who needs water? Dry volcanic vents more alive than wet soil
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Space
Building blocks of life spotted around comet for the first time
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Earth
Super-salty Turkish lakes may hold key to spotting life on Mars
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Earth
Early Earth’s air may have been thinner than on Everest today
Measurements on ancient lava suggest air pressure was once very low, refuting the idea that a thick atmosphere helped warm Earth when sun was less bright
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Space
SpaceX Mars mission is a chance to hunt for life on the planet
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Space
Cassini gears up for final fiery plunge into Saturn’s atmosphere
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Space
First direct evidence of ancient Mars’s oxygen-rich atmosphere
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Life
Missing building block of life could be made on ice in space
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