Space
Our moon would be a planet under new definition of planethood
When astronomers last redefined "planet", Pluto was demoted to being a dwarf. A proposed revision to the criteria would instead grant planethood to the moon
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Earth
Origin of Earth’s water traced back to the birth of our planet
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Space
Most distant solar system object yet could hint at hidden planet
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Space
Pluto surprises with ice volcanoes and alien weather
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Life
NASA debates where to land on Mars 鈥� but are we ready to go?
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Space
Salt flats on Europa mean moon’s ocean may come to surface
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Space
Rosetta’s comet has oxygen made before the solar system’s birth
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Space
Russia starts moon base collaboration with European Space Agency
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Life
Saturn’s ice moon Enceladus revealed in unprecedented detail
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Space
Icy plains and snakeskin terrain among Pluto’s lingering puzzles
The team behind NASA's New Horizons probe has just released their first official paper on Pluto's geology, atmosphere and moons 鈥� but big mysteries remain
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Space
China has had a telescope on the moon for the past two years
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Space
Lake once filled the crater on Mars where Curiosity rover sits
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Space
New Horizons shows Pluto sporting blue skies and red water ice
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Space
Craters and canyons hint at violent past of Pluto’s moon Charon
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