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

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

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

Between July 2 and July 6, China’s Shijian-21 and Shijian-25 satellites “appeared visually merged in optical sensor data”, US situational awareness software provider COMSPOC explained in a social ...

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

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

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 ...

A geosynchronous orbit is a geocentric orbit that has the same orbital period as the sidereal rotation period of the Earth. It has a semi-major axis of 42,164 km (26,200 miles). In the special ...

The astronomers performed a survey of objects in geosynchronous orbit and found that over 75% of the debris detected was not previously recorded in satellite catalogs, which list known debris pieces.

Heading higher to geosynchronous orbit. Medium Earth orbit, which reaches up to about 22,233 miles (35,780 km) above Earth, is a desert compared with LEO.