Astronomers will have to wait a while to celebrate the first complete orbit of Pluto since its discovery.
An area of Pluto that researchers think was formed from the eruption of ice volcanoes is unique on the dwarf planet and in the solar system, a new study suggests.
A rare type of plutonium has been found in the crust below the deep sea, offering new clues as to how heavy metals form in star explosions and mergers.
Back in 2017, a point of strange light flashed through the solar system. Three years later, a new team of scientists claims to have figured out what it was.
The haze shrouding Pluto might be made up of ice crystals possessing cyanide hearts, a new study finds.
Pluto's heart-shaped feature, which NASA's New Horizons spacecraft discovered during its epic July 2015 flyby of Pluto, drives atmospheric circulation on the dwarf planet, a new study suggests.
Pluto lost its "official" planet status over a decade ago, but fans of the solar system's underdog are still rooting for it. And NASA Administrator Jim Bridenstine is one of them.
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