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.
Declaring that "failure is not an option," Alyssa Carson wants to go further than any human has gone before. She's already been to NASA's Space Academy three times.
How many licks does it take to get to the center of the solar system? Find out with a set of planet lollipops.
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.
This video teaches you all about Triton, a former dwarf planet that was captured by Neptune and forced into its orbit around the planet.
The wackier a planet's wobble, the more likely it could be to sustain life and keep from going full Popsicle, according to new research.
A dwarf planet out beyond Pluto has been found orbiting our sun — and there may be another planet 10 times the size of Earth.
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.
No joke: Stephen Colbert's not a fan of Edward Snowden's whistleblowing, the political satirist tells a packed house at the closing RSA Conference keynote speech.