Pluto
Latest about Pluto

When will Pluto complete its first orbit since its discovery?
By Elizabeth Howell published
Astronomers will have to wait a while to celebrate the first complete orbit of Pluto since its discovery.

Ice volcanoes on Pluto may still be erupting
By Rebecca Sohn published
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.

Pluto's atmosphere is starting to disappear
By Chelsea Gohd published
Pluto's atmosphere is going through a strange transformation, scientists are finding.

Rare plutonium from space found in deep-sea crust
By Stephanie Pappas published
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.

Interstellar visitor 'Oumuamua came from an 'alien Pluto,' new study suggests
By Rafi Letzter published
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.

Pluto's haze made up of ice crystals with cyanide hearts
By Charles Q. Choi published
The haze shrouding Pluto might be made up of ice crystals possessing cyanide hearts, a new study finds.

Pluto's famous heart powers icy winds on the dwarf planet
By Mike Wall published
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 Still Deserves to Be a Planet, NASA Chief Says
By Passant Rabie published
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.

Pluto's Battle Scars Reveal a Wild West at Solar System's Far Reaches
By Brandon Specktor published
The battle scars on Pluto may reveal secrets about the formation of the early solar system.

Ultima Thule Beyond Pluto Is Flat Like a Pancake (and Not a Space Snowman After All)
By Mike Wall published
The final photos that NASA's New Horizons spacecraft snapped of Ultima Thule during the probe's epic Jan. 1 flyby reveal the distant object to be much flatter than scientists had thought.
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