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 ...

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

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

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

Two wildfires in Northern Arizona, sparked from lightning, have burned at least 60,000 acres in a little over a week — and, while firefighters work around the clock trying to contain the fires, ...

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

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 ...

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 ...