WASHINGTON — The sensor blamed for holding up development of the U.S. civil-military National Polar-orbiting Operational Environmental Satellite System (NPOESS) has entered what is expected to be its ...

Leak testing is an important quality control process that ensures products are tightly sealed against the escape or ingress ...

The Thermal Infrared Sensor that will fly on the next Landsat satellite came out of its first round of thermal vacuum testing recently at NASA's Goddard Space Flight Center, Greenbelt, Maryland. The ...

Technicians and engineers needed to take special precautions when preparing and transporting Webb’s spacecraft element for entry into Northrop Grumman’s environmental testing chambers. Northrop ...