A recent planetary discovery brings hope for life on another world.
A planet 40 light years from Earth might be covered in diamond.
Could there be alien life in our solar system? Explore Titan, a world unlike our own.
A planetary system with two suns is no longer just science-fiction!
Scientists may have found a new planet that could support life.
What affects the speed of a moving object? Try this science experiment to see why planets close to the sun move faster.
In August, astronomers met and decided to change the definition of a planet. Pluto is now considered a dwarf planet because it only fulfills two criteria out of three to be considered an official planet.