The curious minds at What If tell the fascinating story of our solar system, all through the power of song.

In 2017, NASA discovered and later confirmed the first interstellar object to enter our solar system. It wasn't aliens ... their interesting origin stories. There could be more 'Oumuamua-like ...

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...