Life
The ethics issue: Should we colonise other planets?
As ever more potentially habitable exoplanets are discovered, it's time we asked ourselves: do we have the right to take over another world?
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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
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Space
Martian life must be rare as free energy source remains untapped
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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
The role of science is to rule out the boring and tedious before we embrace the extraordinary, like alien signals or "megastructures", says Geraint Lewis
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Space
TRAPPIST-1 worlds are close enough for life to hop between them
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Space
Exoplanet discovery: Seven Earth-size exoplanets may have water
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Space
Hubble rounds up the first worlds we鈥檒l check for alien life
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Space
The world in 2076: We still haven’t found alien life
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