The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Twenty years after Pluto became a dwarf planet, people are still fighting over its status. Experts explain why the debate feels so personal.

Add Yahoo as a preferred source to see more of our stories on Google. Tinged blue by a high-altitude haze, Pluto appears as a receding crescent in this approximately true color composite image ...

For decades, scientists and the general public have argued over the astronomical status of beloved dwarf planet Pluto. In the latest salvo, NASA Administrator Jared Isaacman said that he was “very ...

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 ...

While most of my columns over the more than 20 years that I have written them for the Kitsap Sun have dealt with serious issues -- wars, addictions, family struggles -- sometimes a lighter issue ...

Since it was stripped of planetary status, Pluto’s defenders have been fighting the decision – and they’re only getting more passionate Twenty years ago, Pluto got demoted. After a vote by the ...

Pluto’s atmosphere may finally be thinning as it moves farther from the sun, with observations suggesting atmospheric pressure has fallen by as much as 16%.