SCAN

Utah dairyman Dee Waldron watches the weather closely. He wants clear, up-to-date weather and climate information anytime and anywhere that help him make critical farming decisions, such as when to irrigate, plant and harvest. Waldron operates a dairy and feed grain farm in Morgan County, just east...

Satellites orbiting the Earth help us in countless ways. For example, they allow the GPS in our smartphones to tell us where we are located and they help us watch football games on weekends. And now a new NASA satellite scheduled for launch in 2014—the Soil Moisture Active Passive (SMAP) instrument...