Space
Pluto is still an ex-planet, no matter what its fans think
A fresh attempt to revive full planet status for Pluto is a non-starter. Astronomer Michael Brown explains why hopes of a comeback are futile
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Space
Magnetic meteorites narrow down solar system’s birthdate
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Earth
Planet Earth makes its own water from scratch deep in the mantle
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Earth
Earth’s water must have arrived here earlier than we thought
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Physics
‘Alien megastructure’ signal may be due to star eating a planet
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Environment
The 12 biggest and best science stories of 2016
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Space
Project Blue plans to send space telescope to snap nearby worlds
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Space
Giant hidden Jupiters may explain lonely planet systems
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Space
Saturn’s rings may be from the whirl of a passing icy rock
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Space
Mystery object in weird orbit beyond Neptune cannot be explained
A new-found object orbiting at extreme angles to the planets hints at new puzzle in the outer solar system - in addition to Planet Nine
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Environment
Ocean worlds: Searching for life in the solar system’s seas
Features
Space
Venus could have been habitable while life evolved on Earth
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Space
Baby star illuminates icy wall between rocky planets and giants
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Space
Homebrew meteorites reveal origins of Mercury’s weird crust
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