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 true scale of the Solar System in this video, which illustrates the relative sizes of the planets and their distances from the Sun. The New York Times said it, then Trump proved it ...

Scientists have simulated what happens when a solar system pushes the limits of gravity and stability — and the results redefine what “possible” means. Past a certain scale, planets begin to drift, ...

How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of 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 ...

Looking up into the night sky, it can be difficult to comprehend the vastness of the space that surrounds the Earth – and the impressive size of the various stellar and planetary bodies on display.

Remember those textbook diagrams of the solar system or the foam planets that hung in a tidy row from the ceiling of your grade school classroom? All lies. A sprawling new installation at the ...