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.

Just in time for the total solar eclipse next April, Arkansas State University is announcing the installation of the Voyage Model Solar System on the campus.

Aroostook County’s iconic Maine Solar System Model is about to get even bigger.

Santa Clara County will soon have a large solar energy system in its own backyard. VCI Energy, a newcomer to the renewable energy industry, will develop the first large-scale solar energy and ...