Life
Pinball planets: How life could start in a violent solar system
We assumed habitable planets couldn't exist in solar systems where gas giants ricochet around. So why do we keep finding them?
Features
Space
Identity-crisis comet may really be closest asteroid to the sun
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Space
Unnamed dwarf planet may be third largest in the solar system
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Physics
Kepler doubles exoplanet population with 1284 new planets
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Earth
Super-salty Turkish lakes may hold key to spotting life on Mars
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Physics
Gravitational waves: Your cheat sheet on the find of the decade
Features
Space
First global Mercury map shows its hills and valleys in detail
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Space
How to watch Mercury pass in front of the sun today
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Earth
Last days of Earth: Life in 7 billion years AD
Features
Strange Manx comet is time capsule from the early solar system
The tiny-tailed comet C/2014 S3 is a preserved piece of the original material that made the rocky planets, not a dirty snowball like its cometary siblings
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Space
Never-before-seen moon spotted around dwarf planet Makemake
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Space
Cassini gears up for final fiery plunge into Saturn’s atmosphere
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Earth
How two tiny dots defy the history of life and the solar system
Features
Physics
Water telescope鈥檚 first sky map shows flickering black holes
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