Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

Just as Luke Skywalker watched two suns set from his sandy home planet Tatooine, a newly discovered planet called 2M1510 is circling its own twin stars some 120 light years away from our Solar System.

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

The Proba-3 spacecraft succeed at creating solar eclipses, kicking off a two-year mission to study the sun’s mysterious outer atmosphere, the corona.

Exoplanet with two ‘suns’ is even more unique than Tatooine. ... When you imagine a stellar system and its orbiting planets, chances are it largely resembles our own solar system.

This article was originally featured on The Conversation.. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky ...