Latest about Pluto
Unpopular opinion time, Pluto being reclassified as a dwarf planet was a great thing for our understanding of the solar system and for the former planet, too.
Twenty years after Pluto became a dwarf planet, people are still fighting over its status. Experts explain why the debate feels so personal.
On Aug. 24, 2006, the International Astronomical Union (IAU) decided that Pluto wasn't a planet anymore.
The reclassification of Pluto as a dwarf planet continues to stir up a hornet's nest of controversy and debate, as Space.com meets one astronomer who believes the decision to have been a mistake.
As Pluto edges further away from the sun, the chilly temperatures are causing its atmosphere to condense onto its barren surface as frost.
Evidence for landslides down steep crater walls on Pluto have been found in imagery from NASA's New Horizons mission.
Should Pluto be a bona fide planet again? NASA is working to "revisit the discussion" on Pluto's planethood status, according to agency chief Jared Isaacman.
"The surfaces of Nix and Hydra are as close to unaltered as you can get."
