The dwarf planet Ceres, tucked away in the asteroid belt between Mars and Jupiter, has long been considered a quiet, frozen remnant of the early solar system. With its airless surface, icy shell, and ...

Ceres is the largest object in the asteroid belt and the closest dwarf planet to Earth. Discovered in 1801 and visited by NASA’s Dawn spacecraft in 2015, it has changed how scientists think about ...

WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...