Experiment with different designs like a NASA engineer. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Update for 3 p.m. ET: NASA has ...

With enough of it, a craft can overcome the force of gravity ... In this activity you will build a simple paper helicopter called a "whirlybird." Unlike a real helicopter, the whirlybird does ...

Draw and cut out a large propeller (with the same diameter as the skewers), a small propeller and three arch windows on paper. Cut a trapezium out of a second paper cup, reshape and glue it into a ...

Nearly a year after NASA's Ingenuity helicopter crash landed on Mars following an extended, remarkably successful mission, engineers have determined the most likely culprit: Flight over sand ...