Space
First mirror-image molecule found in interstellar space
A team of scientists has detected the first chiral molecule out in space 鈥� a key step toward understanding life's origins
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Environment
Spongy minerals could explain why Mars gives off methane burps
News
Life
There might be a planet better than Earth 鈥� right next door
Features
Life
Pinball planets: How life could start in a violent solar system
Features
Life
SETI looks at red dwarf stars in its search for ancient aliens
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Life
Solar system mysteries: Where can life exist?
Features
Life
Black hole sun could support bizarre life on orbiting planets
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Space
Comets can’t explain weird ‘alien megastructure’ star after all
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Environment
How to find ET: 7 ways aliens might give themselves away
Features
Space
Famous Wow! signal might have been from comets, not aliens
A powerful radio signal from space has puzzled astronomers for decades and led to talk of alien signals, but now there might be a more mundane explanation
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Life
The Visit: What aliens would really mean for us as humans
Culture
Earth
Here Be Dragons: Hostile aliens, tall people and black holes
Culture
Life
Continental break-up set the stage for life in Earth’s mantle
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Life
Sniff out alien life with giant library of weird chemicals
News