Pluto has long been one of the most debated celestial bodies in our solar system. Once classified as the ninth planet, it was redefined in 2006 as a dwarf planet, a decision that still sparks ...

New Horizons gave humanity its first real close-up view of Pluto, revealing a world far stranger than expected. Its images showed surprising geology, icy landscapes, and details that changed how ...

The erstwhile planet Pluto (now officially an asteroid) was known for decades as a small, dark planet—hidden, difficult to spot, and on a quiet, determined course all its own. And so, when the DHS ...

Pluto’s place in the Solar System is under debate once again. It’s thanks, in part, to comments from new NASA administrator Jared Isaacman during a recent congressional hearing. “I am very much in the ...

The New Horizons spacecraft passed Pluto on Tuesday, according to NASA, establishing that mankind — or at least one of its robot probes — has now visited the far reaches of our planetary system. “It’s ...

Twenty years ago Pluto lost its planethood, and I'm partially to blame. "Blame" is a strange word to use for what seems like a matter of mere semantics; after all, Pluto exists as an intriguing world ...