NASA’s Dawn spacecraft has lost three of its four reaction wheels.
Presence of organic material on Ceres may prove it was once habitable.
NASA's Dawn spacecraft captured thousands of images since its orbit including this brightest area in the dwarf planet, Ceres.
So, what's inside the dwarf planet Ceres? Know what it is like here.
New crater on Ceres looks like a stop sign -- could this be a warning?
