Mercury takes only 88 Earth days to orbit the sun.

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

Saturn may be difficult to see since it will be near the sun, according to StarWalk. It's not especially remarkable for a few ...

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

Our Solar System is simple—one star, planets orbiting around it. But what happens in a system with multiple stars? Scientists ...

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 ...

This is happening, AccuWeather says, because all six planets will be on the same side of the sun from Earth’s perspective. During the first nights of February, the crescent moon should line up with ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

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 ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune. The alignment peaks on January 25 and Mercury joins the ...

Stargazers, prepare for the parade of planets that will take place over the next few nights in the sky. Here's what you need to know.

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 ...