China brought two spacecraft together high above Earth as part of a refueling demonstration mission, according to a space situational awareness company. China's Shijian-21 and Shijian-25 satellites ...

Illustration of congestion in geostationary orbit. Credit: ESA/ID&Sense/ONiRiXEL; CC BY-SA 3.0 WASHINGTON — The U.S. Space Force will evaluate commercial alternatives to its bespoke military ...

It's been decades since humanity first sent a satellite into orbit, and during all this time we kind of become experts at it. What we still haven't mastered yet is extending the life of these ...

Small geosynchronous Earth orbit (GEO) satellites have been an increasingly discussed design trend in the industry, boasting the same regionalized scope as traditional GEO models at a price point ...

Two Chinese satellites have rendezvoused with one another more than 20,000 miles above the Earth in what analysts believe is the first high-altitude attempt at orbital refueling. China’s Shijian-21 ...

Geosynchronous Synthetic Aperture Radar (GEO SAR) systems represent a promising frontier in Earth observation technology, offering continuous monitoring of specified regions with exceptionally short ...

In a breakthrough that could redefine the strategic race for the Moon, China has successfully executed a satellite-to-satellite refueling operation in geosynchronous orbit, according to reporting from ...

DARC is designed to track multiple small moving objects in geosynchronous orbit — all around the globe, 24 hours a day. When you purchase through links on our site, we may earn an affiliate commission ...

Two Chinese satellites have completed what could be a first for in-space rendezvous and refueling efforts. They came together in a geosynchronous orbit and have since maintained a steady orbit ...

Shijian-21 lifting off atop a Long March 3B on Oct. 24, 2021. The Shijian-21 spacecraft later successfully docked with a defunct Chinese satellite to alter its orbit. Credit: CASC HELSINKI — China’s ...