Pluto may have been downgraded from full-planet status, but that doesn't mean it doesn't hold a special place in scientist's ...

Regardless of whether Pluto is a planet or a dwarf planet, it remains a fascinating part of the solar system, from its huge ...

Since the formation of Earth approximately 4.5 billion years ago, the convection and release of hot magma in its mantle layer ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

In some ways, Charon is way more interesting than Pluto. Unlike Pluto, Charon’s surface is not covered by volatile ices like ...

This huge astrological shift is a total game-changer. Here’s how Pluto in Aquarius will affect you—for the next two decades.

But despite its frigid temperatures on the surface, which drop to minus 400 degrees Fahrenheit, Pluto has a roaring internal geologic engine. That engine fashioned Pluto’s rich tapestry of ...

Then there’s Pluto, the planet of power, transformation and all that’s hidden beneath the surface. Lord of the Underworld, ...

(camera shutter clicking) New Horizons surprises scientists with incredible images of Pluto's surface, revealing features they never expected to see. GAO: I think when people first saw images of ...