The solar system is moving through space over three times as fast as estimated, calling into question our best model of the ...

Our moon is not the biggest moon in the solar system — not by a long shot. In fact, the Moon is only the fifth biggest satellite in our solar system, wedged right between Io and Europa in size. The ...

Have you ever wondered just how big space really is? It’s huge. In fact, it’s astronomical! The Colorado Scale Model Solar System depicts the Sun, the planets, and the distances between them all on ...

As NASA's Voyager 1 and 2 unmanned deep space probes head out of the Solar System, they are in territory that is the very definition of "uncharted." To help fill in the map, the Hubble Space Telescope ...

Gareth Dorrian does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Did you ever build one of those scale models of the solar system as a kid? You know, where you walk around a football field setting down balls of different sizes, attempting to gain some understanding ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...