Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action ...

Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action ...

NASA administrator Jared Isaacman just urged the president to ‘make Pluto great again’—but Trump doesn’t have the power to do ...

President Donald Trump and his NASA administrator are reviving the Pluto debate again — apparently at the urging of “Star ...

After a tumultuous week of clashing over the essence of the cosmos, the International Astronomical Union stripped Pluto of the planetary status it has held since its discovery in 1930. The new ...

A long-settled space debate is back in the spotlight after fresh political backing in the United States. Calls to restore ...

Pluto was downgraded from a planet to a dwarf planet in 2006 by the International Astronomical Union. NASA Administrator Jared Isaacman has stated his support for President Trump to take action to ...

Flagstaff, Arizona (CNN) — For no explainable practical reason, humans are enamored with – and even empathetic toward – specific inanimate objects. Our first car. A choice coffee mug. And for a ...

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President Donald Trump campaigned on "America first," but some of his supporters and appointees apparently want Pluto to once again be ... ninth. The ninth planet in our solar system, that is. Ever ...