Ceres was once considered a minor stop in the asteroid belt—but the more scientists studied it, the stranger it became. With ...

Add Yahoo as a preferred source to see more of our stories on Google. If you were to ask a group of dedicated amateur astronomers to list their favorite telescopic targets, few if any would mention ...

Ceres, the largest object in the asteroid belt between Mars and Jupiter, has long perplexed planetary scientists. Once considered a planet, then an asteroid, and now officially classified as a dwarf ...

A mysterious object discovered in the main asteroid belt in 2021 was determined to be a main-belt comet by Planetary Science Institute Senior Scientist Henry Hsieh, Scott Sheppard of the Carnegie ...

Add Yahoo as a preferred source to see more of our stories on Google. On January 1, 1801, a Sicilian astronomer named Giuseppe Piazzi discovered the dwarf planet Ceres orbiting the sun between Mars ...