GPS-based navigation can get easily confused in built-up areas. Bilanol/Shutterstock Quantum navigation to the rescue In some environments, navigation signals from satellites don't work very well.

Firefly's Blue Ghost lunar lander has a payload which will attempt to acquire a GPS signal from the moon, revolutionizing ...

NASA and the Italian Space Agency made history on March 3 when the Lunar GNSS Receiver Experiment (LuGRE) became the first ...