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 ...

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 ...

Two years after being discovered and nick-named by a team of astronomers, a planetoid almost four times farther from the Sun than Pluto has been officially confirmed. The confirmation of “Farfarout” ...

Astronomers have been actively hunting for a ninth planet in the solar system for almost a decade ... which orbits the sun at ...

Astronomers have discovered the most distant object ever found in our solar system. The planetoid — the term for a small chunk of rock or dust or ice orbiting the sun — is appropriately nicknamed ...

It isn't easy to measure the distance of stars. We can't travel to them, counting the miles as we go, nor can we simply say that brighter stars are closer and dimmer ones more distant. Instead, we ...

The solar system is a collection of celestial bodies held together by the sun's gravitational pull. Our solar system is ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...