The mission is a follow-on to a Space Systems Command contract Northrop received last year to develop a tanker satellite ...

Beyond cost savings, refueling is a strategic necessity as China tests aggressive space tactics. U.S. intelligence has observed Chinese satellites maneuvering in formation, rehearsing potential space ...

The US Space Force has outlined plans to test a new method of keeping satellites in orbit for longer: mid-orbit refueling. The tests will take place in 2026 and 2027 and will involve proposed ...

Vladimir Putin has ordered Russia's largest conscription drive in 14 years. His ultimate goal is to have an army larger than America's, our Moscow correspondent explains. Follow the latest below ...