Earth's orbiting satellites are commonly regarded as if they were suspended in mid-air. It is a fact that they actually ...

For decades, geostationary orbit (GEO) was the undisputed home of satellite communications. From television broadcasts to internet backhaul and voice services, GEO satellites formed the backbone of ...

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 ...

China has insisted that its constellation of satellites in geosynchronous orbit is a peaceful project. It is anything but. China is committed to competing with the United States for dominance in space ...

Illustration of Northrop Grumman’s GAS-T platform designed to fuel and extend the life of in-orbit assets. Credit: Northrop Grumman China’s lunar ambitions grab attention, but a quieter milestone that ...

Private space trackers have detected a bizarre movement of Chinese satellites in geosynchronous orbit (GEO), the farthest orbit above the Earth. Speculation in the space community has been rampant, ...

For many college students, satellites are faint dots crossing the sky on clear nights. These objects are background details from science fiction to reality, like GPS, satellite radio, and WiFi.