(Correction: An earlier version of this story misstated how far Pluto is from the sun. The correct number is 3.7 billion miles.) What was discovered in Flagstaff, Arizona, and killed off in Prague?

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." ...

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.

Pluto in Aquarius 2025: read on to learn more about what the planet of death in the sign of the water bearer has in store for the collective this year. artefacti - stock.adobe.com Let’s talk about ...

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 particular subset of the ...

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's atmosphere, while at the same time giving methane and other organic ...

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 ...

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 ...