Planetary scientist Adeene Denton runs computer simulations to investigate Pluto, the moons of Saturn and other icy bodies in the solar system.
Unlike how scientists believe Earth's moon formed billions of years ago, Pluto and its biggest moon, Charon, didn't have a messy breakup. New computer simulations show the primitive dwarf planet and ...
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Is a Sun a Star or a Planet? How We Know — and What Could Change
Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...
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Why Pluto could be reclassified as a planet again
The debate over Pluto’s planetary status has been ongoing since its reclassification as a “dwarf planet” in 2006 by the International Astronomical Union (IAU). Recent discussions and new scientific ...
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