Dwarf planets

Haumea's ring is too faint to be seen from planet Earth, so astronomers have turned to context clues to find out more about these particles.

Some parts of the dwarf planet Ceres harbored pockets of near-surface water for millions of years in the recent past, a new study suggests.

Nearly three years since NASA's Dawn mission arrived at Ceres, the spacecraft has run out of fuel. Is it time to start thinking about sending another mission to the dwarf planet?

The wobbly surface of dwarf planet Ceres has shifted over the years, resulting an epic makeover of ridges and cracks, scientists say.

Dozens of ancient ice volcanoes once dotted the surface of the dwarf planet Ceres, a new study finds.

You may have seen the bizarre bright spots speckling the dwarf planet Ceres — but not like this.

NASA's Dawn spacecraft has gotten its best-ever looks at the weird bright spots that speckle the dwarf planet Ceres.

On the dwarf planet Ceres, organic molecules are more abundant than scientists originally suspected.

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 may continue to play a vital role on the dwarf planet Ceres.