You won't be able to use a robot lawn mower within 55 miles of the Robert C. Byrd Green Bank Telescope in Green Bank, W.Va., if the National Radio Astronomy Observatory has its way. Patrick Semansky/AP hide caption

itoggle caption Patrick Semansky/AP

This artist rendering shows Kepler-11, a sun-like star around which six planets orbit. A planet-hunting telescope is finding whole new worlds of possibilities in the search for alien life, including more than 50 potential planets that initially appear to be in habitable zones. The agency's chief scientist said Tuesday there will be "strong indications" of alien life within a decade. NASA/AP hide caption

itoggle caption NASA/AP

Smart phones contain a silicon chip inside the camera that might be used to detect rare, high energy particles from outer space. J. Yang/Courtesy of WIPAC hide caption

itoggle caption J. Yang/Courtesy of WIPAC