How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What ...

Explore cool facts about our solar system- from planets and moons to icy edges far away. Photo Credit: NASA. It’s called the “solar system” because “solar” means related to the Sun.

The sun is unique in that it's the only star in our solar system. Up to 85% of stars have at least one companion star. The sun contains over 99% of the mass of our entire solar system.

From a bar in the clouds to finding more water from the Moon, outer space is constantly surprising us. A vast universe Think ...

Astro Brief is a collaboration between KSMU, the Missouri Space Grant, and MSU's Department of Physics, Astronomy and ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

Space artists can sometimes stretch scientific data for a bigger visual bang. At New York's natural history museum, they ...

#2. The Moon came from Earth. It didn’t form beside our planet, and Earth’s gravity didn’t capture it. The latest theory says ...

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.