The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe. When you purchase through links on our site, we may earn an affiliate ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still ...

Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for being a planet, putting Pluto into the new category of dwarf planet ...

Add Yahoo as a preferred source to see more of our stories on Google. Guests visting the Lowell Observatory in Flagstaff, Arizona during the I Heart Pluto Festival gaze at celestial objects from the ...

In the letter, she apologised for any handwriting or spelling mistakes, making her letter even more emotional.

A 10-year-old’s passion for Pluto has caught the attention of NASA thanks to a compelling, viral letter on social media. NASA now says it is "looking into" reclassifying Pluto as a planet. If that ...

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 ...

A handwritten note from a 10-year-old has done what years of classroom lessons, documentaries and online arguments have failed to do: it has brought Pluto back into the spotlight. In a letter that is ...