Stories, updates, insights, and original analysis from The Planetary Society.
Meet the Solar System's five official dwarf planets
The International Astronomical Union currently recognizes five dwarf planets: Ceres, Pluto, Haumea, Makemake, and Eris.
New wonders to behold
New stars are being born, new missions are being conceived, and new discoveries are being made all the time.
Love at first sights
JWST’s stunning first science images
Why this Ceres mission could change the search for alien life
The enigmatic water-rich world in the inner Solar System could be set for a bold new NASA astrobiology mission.