China may have just become the first country to attempt satellite-to-satellite refuelling in geosynchronous orbit ...

China’s Shijian-21 and Shijian-25 satellites, known as SJ-21 and SJ-25 for short, likely docked together in geosynchronous ...

Two Chinese satellites reportedly performed what appears to be the country's first high-altitude orbital refueling, as U.S.

Although impressive, it raises concerns about potential docking with and disabling other countries' orbital military assets.

But these Mission Extension Vehicles don't have the ability to transfer fluids from one satellite to another. That is the ...

The payload Russia's military chose to launch on the Angara A5 is unusual. The rocket deployed its primary passenger, Kosmos ...

China’s successful orbital satellite refueling operation marks a historic milestone that the US has not achieved.

Two Chinese satellites have successfully completed a potential first-ever high-altitude in-space rendezvous and refuelling, over 20,000 miles from Earth.

Shijian-21 and Shijian-25 ‘appeared visually merged in optical sensor data’, space tracking firm says, a feat US seeks to match by 2026.