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 ...

Explore the vastness of the Solar System in this video, which accurately showcases the relative sizes of the planets and ...

A new virtual reality app lets users explore the solar system up close, from scorching-hot Mercury to faraway Pluto and beyond. The app, called Star Chart for VR, is billed as the first virtual ...

Introduction Have you ever built a model of the solar system for school—or even just seen a picture of the solar system in a book? The planets are usually pretty close together—and close to the sun.

TIMHi, I'm Tim Peake. I'm an astronaut based here at the European Space Agency in Germany, and from December 2015, to June 2016, I spent six months orbiting Earth on the International Space Station.

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 ...