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 ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Stargazers will be treated to a dazzling six-planet "alignment" this January.

The eight planets in our solar system orbit the sun in roughly the same plane, because they all originally formed from the same disc of debris around the sun. The line the sun traces across the ...

These rocky bits eventually coalesced to form the terrestrial planets. However, at a distance of around 4 astronomical units from the Sun (AU ... This first-order model of planetary growth ...

You'll need high-powered binoculars or a telescope to see Neptune and Uranus. Saturn may be difficult to see since it will be ...

You'll be able to easily see four planets in the February evening sky ... After attaining opposition with the sun last month, Mars is now moving away from Earth and consequently is now gradually ...

21. Read more: Full Moons Explained, From Blue Moons to Supermoons to Lunar Phases You won't have to wait long for all six planets to be in the sky. They'll be there as soon as the sun sets.

A planetary alignment is an astronomical term which is used to describe the event where several planets gather closely on one side of the sun at the same time. A row of four or five planets happen ...

The planets will appear to line up — but no more than usual. The planets in our solar system orbit the sun in more or less the same flat plane as the Earth, according to EarthSky.org ...