In our thinking, our solar system had finally joined the larger universe, and diagrams like these showed us as just one system in a larger galactic neighborhood.

This space wallpaper is an orbit diagram for the outer solar system. The sun and terrestrial planets are at the center. The orbits of the four giant planet Jupiter, Saturn, Uranus and Neptune are ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.