Latest about Pluto
Pluto Still Deserves to Be a Planet, NASA Chief Says
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
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)
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.
Pluto Should Be a Planet and So Should Earth's Moon, New Study Claims
Sing along if you know the words: When the moon hits your eye, like a big pizza pie, that's a planet!
Is Pluto a Planet? That Is the Question ... Again.
The long-simmering argument about Pluto's planethood has just flared up again.
NASA Unveils New Maps of Pluto, Moon Charon for Flyby Anniversary
On the two-year anniversary of the New Horizons probe's flyby of Pluto, mission scientists unveiled two detailed global maps of the dwarf planet and its largest moon, Charon.
How Did Pluto Get Its 'Whale'?
Some scientists believe Pluto's red "whale"-shaped region is the mark of a giant impact — the same one that produced Pluto's huge moon Charon.
Distant Dwarf Planet DeeDee Stirs Up the Pluto Planethood Debate
Recent observations that a tiny object in our solar system is a likely dwarf planet has some planetary scientists grumbling again about Pluto's demotion to that status.
