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 ...

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 ...

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

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

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

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

China's Shijian-21 and Shijian-25 satellites had been moving toward each other in geosynchronous orbit, around 22,236 miles ...

USSF-87, launching from SLC-41 in Florida, is flying the Geosynchronous Space Situational Awareness Program (GSSAP) 7 and 8 ...

A tense space race is currently underway between NASA and China - with China now taking the lead in a move that could see it ...

By demonstrating an on-orbit refueling capability, the Chinese are extending the reach and longevity of their dangerous co-orbital satellites. Private space trackers have detected a bizarre movement ...