The symbol for Pluto represents the power of the psyche over the material. manuta – stock.adobe.com Use a birth chart calculator like this one to find your Pluto sign.

Rep. Justin Wilmeth is advocating for the Pluto to become Arizona's state planet. The bill is now in Gov. Katie Hobbs' hands. Here's what to know.

Pluto was once considered the ninth planet in the solar system, it was demoted in 2006 to dwarf planet status. We explore this icy body in more detail here.

Pluto was declassified as a planet on Aug. 24, 2006, when the International Astronomical Union redefined the criteria for what constitutes a planet. It was reclassified as a dwarf planet because ...

On Aug. 24, 2006, the International Astronomical Union voted to downgrade Pluto to a dwarf planet, causing controversy both scientifically and culturally.

On Aug. 24, 2006, the International Astronomical Union voted to downgrade Pluto to a dwarf planet, causing controversy both scientifically and culturally.

In 2006, the International Astronomical Union demoted Pluto to one of dozens of dwarf planets. Photograph by NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute.

On Aug. 24, 2006, the International Astronomical Union voted to downgrade Pluto to a dwarf planet, causing controversy both scientifically and culturally.