Designed by an astronomy club run by the Girl Scouts of Northeastern New York, the new trail maps out the planets to scale, ...

The distances inside the Solar System are far larger than most diagrams suggest. From Earth to the Sun and beyond, the true scale of space makes even nearby worlds feel almost unreachable. Trump given ...

A team, including an astronomer from the University of Hawaii Institute for Astronomy (IfA), have confirmed a planetoid that is almost four times farther from the Sun than Pluto, making it the most ...

This illustration depicts the most distant object yet found in our Solar System, nicknamed "Farfarout," in the lower right. In the lower left, a graph shows the distances of the planets, dwarf planets ...

The size of the solar system is defined by the volume of space over which the sun's influence exceeds those of other nearby stars in the Milky Way galaxy. This influence derives from two fundamental ...

If you ask planetary astronomers where the solar system ends, they will say well past the planets, well past the bright band of the Kuiper Belt where Pluto resides, and still further to a shadowy ...