The dwarf planet Ceres is covered in numerous small, young craters that have scientists scratching their heads. The dwarf planet was likely hit by numerous large asteroids over its lifetime — but where did all the large craters go? A recent study explores with the use of data from NASA’s Dawn spacecraft, which has been circling Ceres since March 2015. "We concluded that a on Ceres has been obliterated beyond recognition over geological time scales, which is likely the result...