Our lives are surprisingly dependent upon this extremely light and unreactive gas, yet supplies of it are remarkably fragile.

The US Space Force is moving forward with missions to test the concept of space gas stations that can refuel satellites ...

Large space missions are expensive ... The Hummingbird bus was also the fuel tank, and it had additional slots for CubeSat components. These components could be used for further data collection ...

Metal is very dense, which means it takes up less onboard space than a tank containing pressurized gas. That, he adds, would make life easier for satellite manufacturers, who consider pressurized ...