NASA’s laser retroreflector arrays aboard GPS III satellites enhance positioning accuracy for Earth navigation and scientific measurements by reflecting laser signals back to ground stations.

NASA names 2026 RASC AL finalists as university teams present concepts for lunar power, Mars navigation, and sample return systems tied to future exploration missions.

A collaboration between NASA and small aerospace company Aloft Sensing has produced a compact radar system capable of detecting minute changes in Earth’s surface. The instrument, called HALE InSAR, is ...