The head of NASA says maybe Pluto is a planet after all. He is wrong because Pluto is part of the rest of the solar system ...

Pluto is no longer a planet, but why did it lose that title? The change came in 2006 from the International Astronomical Union, which wanted a clear definition of what a planet actually is. Before ...

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 ...

Is Pluto a planet? NASA Administrator Jared Isaacman told Congress on Tuesday, April 28, that Pluto should be recognized as a planet, 20 years after its status changed.

In 2006, a vote by the International Astronomical Union determined that Pluto was no longer a planet. The decision sparked a heated public debate, and many planetary scientists disagreed with kicking ...

Pluto was downgraded from a planet to a dwarf planet in 2006 by the International Astronomical Union. The main reason for Pluto's demotion is that it's not able to "clear its orbit of debris." Other ...

Pluto is no longer a planet, but why did it lose that title? The change came in 2006 from the International Astronomical Union, which wanted a clear definition of what a planet actually is. Before ...