This extraordinary celestial event will see the sky scattered with seven visible planets in what is known as a great planetary alignment. The eight planets in our solar system orbit the sun in ...

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...

NASA has shared details of what to look out for in the night sky this month, with the moon appearing alongside a parade of ...

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...

The eight major planets of our Solar System orbit the Sun ... or billions of miles through space to hit your retinas." Getty Images Stargazers will be able to enjoy the sight of the planets ...

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the month – four of which will be visible with the naked eye, Preston Dyches, ...