Dwarf planets
Latest about Dwarf planets

NASA Is About to Have Its Closest Encounter Ever with Dwarf Planet Ceres
By Tariq Malik published
A NASA spacecraft is about to get up close and personal with Ceres, a giant asteroid that also happens to be the only dwarf planet in the inner solar system.

Water on Dwarf Planet Ceres Is Driving an Active Surface
By Nola Taylor Tillman published
Water may continue to play a vital role on the dwarf planet Ceres.

Haumea: Fast-Spinning Dwarf Planet
By Space.com Staff published
Haumea, the fifth body in the solar system to be classified as a dwarf planet, spins faster than any other known large body in the solar system.

Dawn to Fly Closer to Ceres Than Ever in Mission's Final Phase
By Jeff Foust published
NASA's Dawn mission to the main asteroid belt, granted a second extended mission earlier this year, will end later next year after a final set of close-up observations of the dwarf planet Ceres.

Dwarf Planet Ceres' Bright Spots Suggest an Ancient Ocean
By Nola Taylor Tillman published
Ceres' bright patches may overlie pools of salty water, which could be the remnants of an ancient, subsurface ocean.

Dwarf Planet Ceres May Have Had a Global Ocean in Ancient Past
By Nola Taylor Tillman published
The pull of Ceres on NASA's Dawn spacecraft hints at an ancient ocean that may have left traces today.

Dwarf Planets: Science & Facts About the Solar System’s Smaller Worlds
By Space.com Staff published
Pluto, the most famous dwarf planet, lost its planet status in 2006. Learn more about dwarf planets of the solar system here.
Get the Space.com Newsletter
Breaking space news, the latest updates on rocket launches, skywatching events and more!