Space
The exoplanet zoo 鈥� a whistle-stop tour
From potentially life-supporting rocks to superheavy hells, there鈥檚 an alien world out there to suit everyone鈥檚 taste. Come and have a look
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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Health
Odds on: 10 science breakthroughs you can bet on
Features
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
The Cassini spacecraft has found molecular hydrogen spurting in the watery plumes from Saturn鈥檚 icy moon Enceladus, an energy source for anything that might live there
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Space
A little less ET, a little more astrophysics, if you please
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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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