As Pluto is finally added to the University of Arizona's scale model solar system, a new study suggests how the dwarf planet's cold heart was originally broken.

You can walk the length of our vast solar system at a new, permanent exhibit stretching more than half a mile across the University of Arizona campus.

2. Activity 1: Solar System Model (30 minutes) Hands-on Activity: Students will create a model of the solar system using Styrofoam balls, paint, and string.

For the first time, mathematicians have proved that planetary orbits in a solar system will always be unstable.

Dwarf planets Haumea and Makemake are the latest additions to the Maine Solar System Model, billed as the largest solar system model in the western hemisphere.

IBM and NASA are unveiling the most advanced open-source foundation model designed to understand high resolution solar observation data and predict how solar activity affects Earth and space-based ...