NASA chief Jared Isaacman says he's fighting for Pluto: 'I am very much in the camp of 'make Pluto a planet again'
By Mike Wall
Published on April 28, 2026.
NASA Administrator Jared Isaacman has publicly supported the reclassification of Pluto as a planet, arguing that the International Astronomical Union (IAU) reclassified the icy world as a "dwarf planet" was unscientific and inconsistently applied. The IAU defined a planet's three criteria: It must orbit, be massive enough to be spherical, and clear its orbit of debris. However, many argue that this was not enough. The ultimate decision on Pluto's status lies with a global society of professional astronomers who define celestial objects and assigns official names to them.
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