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, ...

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 ...

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 ...

The dark nebula is part of the Circinus West molecular cloud, which stretches for 180 light-years, containing a mass 250,000 times that of the sun. Astronomers have discovered a dense stellar nursery ...

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 ...