Space
Building blocks of alien cells found on Saturn鈥檚 largest moon
The discovery of two compounds that could help make cells only adds to Titan鈥檚 image as the most promising place in our solar system to look for alien life
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Physics
Aliens slumbering for billions of years are out there 鈥� really?
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Life
The best way to detect aliens may be by finding their footprints
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Space
The exoplanet zoo 鈥� a whistle-stop tour
Features
Life
The ethics issue: Should we colonise other planets?
Features
Space
Messages from fake aliens decoded quickly in online SETI contest
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Life
Mars rover sees signs of microbe-friendly layers in ancient lake
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Space
Microbes might thrive after crash-landing on board a meteorite
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91色情片
Odds on: 10 science breakthroughs you can bet on
Features
Space
Martian life must be rare as free energy source remains untapped
The amount of carbon monoxide in Mars鈥檚 atmosphere suggests that any existing bacteria that feed on it make up no more than one billionth of Earth鈥檚 biomass
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Life
We still haven鈥檛 heard from aliens – here鈥檚 why we might never
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Space
The five best exoplanets in the galaxy to check for alien life
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Physics
Cassini finds final ingredient for alien life in Enceladus鈥檚 sea
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Space
A little less ET, a little more astrophysics, if you please
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