Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post A Mysterious Object Visited Our Solar System And Altered The Orbits Of Four ...

When looking at our solar system, the planets going around the sun seem to be set up in a pretty organized fashion. They are ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...