Environment
NASA orbiter shows Mars lost 90 per cent of its CO2 to space
The MAVEN spacecraft has completed the key part of its mission: to track down how much argon Mars鈥檚 atmosphere is giving up as a proxy for carbon dioxide loss
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Space
Pluto is still an ex-planet, no matter what its fans think
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Space
Magnetic meteorites narrow down solar system鈥檚 birthdate
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Earth
Planet Earth makes its own water from scratch deep in the mantle
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Earth
Earth鈥檚 water must have arrived here earlier than we thought
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Physics
鈥楢lien megastructure鈥� 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鈥檚 rings may be from the whirl of a passing icy rock
The direction an unlucky planetoid is spinning may dictate how much of it gets pulverised and pulled into orbit to create the bands around the giant planets
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Space
Mystery object in weird orbit beyond Neptune cannot be explained
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Environment
Ocean worlds: Searching for life in the solar system’s seas
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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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