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” ...

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 ...

Solar system is a collection of various celestial bodies that are held together by the gravitational pull of the sun. Our ...

Welcome to SolarBalls! Enjoy fun, entertaining animations that help you learn about the solar system and the universe. This channel features space animations combined with comedy. Trump admin proposes ...

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 ...

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 ...

All objects with mass pull things towards their center, that pull is called gravity. The more massive an object is, the more its gravity “pulls” on other objects nearby. In space, the gravitational ...