The planets are all on the same orbital plane because, during the formation of the solar system, a massive cloud of dust and gas collapsed under its own gravity and flattened into a disk.

In a clean room at NASA's Jet Propulsion Laboratory in Southern California, scientists have successfully integrated a crucial ...

Gravity provides the force needed to maintain the stable orbit of planets around a star and also of moons and artificial satellites around a planet. The moons around planets in the Solar System ...

The Sun affects everything in the Solar System, and not just through ... the Sun like never before and soon it will shift its ...