Visualizing the solar system in its totality requires one to conjure a lot of spinning bodies moving in synchrony. But getting a sense of those objects’ scale is just as important for developing a ...

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 ...

If Earth had the same diameter as the head of a pushpin, how much would all of the other celestial bodies in the universe need to shrink to scale proportionally? It’s a fun, ridiculous question and ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A planet-size object may be orbiting the sun in the icy reaches of the solar system beyond Pluto.

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

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 ...