Scientists have long thought that Ceres may have a very weak, transient atmosphere, but mysteries lingered about its origin and why it’s not always present. Now, researchers suggest that this ...

Ceres is the largest object in the asteroid belt, which means it's not particularly difficult to observe. Even more convenient is that it’s not very far away; residing just between the orbits of Mars ...

HOUSTON—Scientists may have unraveled a not-so-obvious explanation for the thin atmosphere that seems to come and go from Ceres, the largest of the Solar System’s main belt asteroids. Ceres orbits the ...

Scientists have long thought that Ceres may have a very weak, transient atmosphere, but mysteries lingered about its origin and why it's not always present. Now, researchers suggest that this ...