Astronomers have calculated that the gas giant Jupiter used to be twice as big as it is now, based on the odd orbits of two ...

Ceres is the largest object in the asteroid belt, and a dwarf planet. I think sometimes people think of small, lumpy things ...

A new study reveals that Jupiter has massive primordial form and powerful magnetic field, offering fresh insights into how it ...

NASA has tracked four asteroids set to safely fly past Earth between May 23 and 25, including one the size of a stadium.