Dawn Stories

This illustration depicts the interior of dwarf planet Ceres. Carbon dioxide and methane are among the molecules carrying chemical energy beneath Ceres' surface.

The dwarf planet is cold now, but new research paints a picture of Ceres hosting a deep, long-lived energy source that may have maintained habitable conditions in the past. New NASA research has found that Ceres may have had a…

Analyzing gravity data collected by spacecraft orbiting other worlds reveals groundbreaking insights about planetary structures without having to land on the surface. Although the Moon and the asteroid Vesta are very different, two NASA studies use the same technique to…