Bob McDonald discusses how STEM activities in the summer can help raise future decision makers.

NASA project scientist, Ed Stone, has died at the age of 88. He was at the helm of what's been dubbed 'The Grand Tour' of our outer solar system with the Voyager spacecraft, as well as many other missions. Bob McDonald remembers his many encounters and interviews with the legendary space exploration scientist.

A new analysis of the Apollo missions and the characteristics of lunar soil shows that rocket exhausts kick up four to 10 times more dust than previous estimates suggested.