Some space events happen too slowly to capture as a movie, but a new time-lapse video provides a rare glimpse at another solar system's planets revolving around their star. Northwestern University ...

Astronomers using planet-hunting satellites have discovered a rare solar system with six planets moving completely in sync with one another, as if they were untouched by any outside force since being ...

On a planet revolving around the star Epsilon Eridani there may be a radio antenna several times as big as a baseball stadium. From it toward other planets revolving around other stars may go messages ...

Ever since man perceived that the solar system is a cohort of planets revolving around a central sun, at different distances but in the same direction and in almost the same plane, he has wondered how ...

A large sub-Neptune-sized planet revolving around a red dwarf star 124 light years away has been the topic of debate among several scientists in recent months. According to models from a group of ...

In this part, seven planets (Mercury through Uranus) can be seen revolving about the sun. The periods of their orbits match those of the celestial bodies to within 0.1% (see below for Botjes' table of ...