Space
The universe may be full of ex-moons flung from their home worlds
Moons in other stellar systems may be hurled away from their planets up to 90 per cent of the time, leaving up to 100 former moons per star in the Milky Way
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Space
Earth was smashed by a rock the size of Mars to make the moon
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Environment
Mars rocks may have drunk up all the water and doomed life there
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Space
2018 preview: Epic mission to Mercury will unravel its mysteries
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Space
Planet X: We are closing in on the solar system’s new occupant
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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
In Martian summer, the combination of warm temperatures and a thin atmosphere make any liquid water on the surface boil, which can聽let dust hover across the ground
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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
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