This illustration features three of the paper airplanes based on planes in the Smithsonian’s National Air and Space Museum's collections. Smithsonian Books Looking for ways to keep the family ...

Add Yahoo as a preferred source to see more of our stories on Google. Airplane flight is one of the most significant technological achievements of the 20th century. The invention of the airplane ...

Chances are, you've already constructed a paper airplane in your day, but this summer serves up an opportunity to aim higher in more ways than one. After all, the Guinness World Records organization ...