New research casts doubts on planet named as a candidate for extraterrestrial life

Jupiter ’s moon Europa, long considered a prime candidate in the search for extraterrestrial life due to its vast subsurface ...
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This moon spins wrong, looks wrong, and scientists can’t explain it

Far out in the Saturn system, a small world refuses to behave. Iapetus spins in a way that should not be so stable, wears a ...