Space
Planet X: We are closing in on the solar system’s new occupant
Evidence for a new body perhaps the size of Neptune way out in the shadows is building 鈥� but if there is a ninth planet, it鈥檚 unlike any we have seen
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Space
That interstellar asteroid could be a shard of a shredded planet
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Space
Neptune鈥檚 other moons were normal until Triton crashed the party
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Environment
Enceladus鈥檚 hot, gritty core may cook up ingredients for life
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Space
We now know more on the origins of weird duck-shaped comet 67P
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Space
Boiling water on Mars could make the planet’s sand levitate
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Space
We may have just seen the first comet from another solar system
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Humans
Luther’s legacy: Did a religious revolt create science?
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Space
A 300-kilometre space rock has vanished since we saw it in 1995
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Environment
Volcanoes that spew stretchy ice could make dwarf planets bright
Something strange is happening on dwarf planets Eris and Makemake. They鈥檙e tiny and cold, but they still show surprising signs of geologic activity, like real planets
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Physics
Hiding in plain sight: The mystery of the sun’s missing matter
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Space
A gaggle of 7 moons keep Saturn鈥檚 rings from breaking apart
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Earth
A tech-destroying solar flare could hit Earth within 100 years
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Space
Distant dwarf planet near Pluto has a ring that no one expected
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