Pluto may merely be a dwarf planet, but that doesn't stop it from having some pretty awesome quirks that help it stand out from the crowd. Learn about Pluto and its many moons in this video.
And we have our winners! Two Plutonian moons get new names after nearly half a million votes stream in from the Internet community.
How many licks does it take to get to the center of the solar system? Find out with a set of planet lollipops.
Pluto was excommunicated from the planet world in 2006. Now, the Illinois state senate has decided that the excommunication vote was invalid and that it will reinstate the planet.
This video teaches you all about Triton, a former dwarf planet that was captured by Neptune and forced into its orbit around the planet.
After traveling for 37 years, Voyager I is recording pulses from the sun that confirm it has entered a different region near the edge of the solar system called interstellar space.
A dwarf planet out beyond Pluto has been found orbiting our sun — and there may be another planet 10 times the size of Earth.
A contest gives the public a chance to help rename two small moons orbiting Pluto, but it might help to brush up on your knowledge of the mythological Greek underworld.
If you love Back to the Future (and who doesn't?), today is a day of mourning, as it was on this day that the man who created one of the stars of the show passed away.
Get your scrolling hand ready. An interactive web page has created a scale model of the solar system, where the moon is the size of just one pixel.