Pluto’s heart may conceal an ocean
Astronomers have just found the best evidence yet of an entire ocean in an exceedingly unlikely place—the dwarf planet Pluto.
Why Charon, Pluto’s largest moon, wears a red cap
Charon’s north pole has a dark red color, starkly different from its otherwise grey-white surface, and scientists have finally found out why.
What we’ve learned about Pluto since the flyby
NASA's New Horizons mission to Pluto continues to astonish in new set of five studies on the dwarf planet.
A giant, unknown planet might exist in our outer solar system
Astronomers at the California Institute of Technology announced on Wednesday they’d found evidence for a massive, faraway planet. If true, it would constitute the ninth planet in our solar system, an honor once bestowed on Pluto. They’ve nicknamed the new…
On Thursday morning, NASA released a new image of Pluto decked out for the holidays in a festive green and red coloring as its "Image of the Day."…
NASA released two black and white images of Pluto on Friday, billing them as the dwarf planet's "best close-ups that humans may see for decades."…
Flight controllers initiated the first of four maneuvers Thursday needed to change New Horizons’ trajectory toward an object elsewhere in the Kuiper Belt.
NASA released images Thursday that show more details of the dwarf planet's icy landscape.
Happy Pluto demotion day!…
