the first privately-built-and-operated spacecraft to successfully touch down on Earth's natural satellite. On Monday, LuGRE ...

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

NASA's Galileo mission, which launched into space in 1989, was designed to study Jupiter, its moons, and its surrounding invisible magnetic bubble, called the magnetosphere. The spacecraft had 35 ...

The latest analysis of data from the Galileo probe reveals surprising clues about Callisto, one of Jupiter's moons. These ...

NASA and the Italian Space Agency have made history by successfully tracking GPS signals on the moon for the first time. This ...

By connecting to the (US) GPS and (European) Galileo constellations, the spacecraft was able to be precisely located on the surface of the Moon, at a distance of just over 360,000 km from Earth. This ...

But for both GPS and Galileo the signals are a bit wider than the Earth, so they spill past into space beyond. And so as a spacecraft, you can pick up these spillover signals, we call them ...