Geostationary orbit used to be a parking lot. Some Chinese satellites are circling the lot, tailgating other cars, and pulling into spots that aren't theirs. This report explores nine years of data on ...

The OEO satellite promises a geosynchronous orbit around the equator, low latency, and a drastic cut in costs—using readily available technology. Thousands of satellites have been deployed during ...

A Long March 3B lifts off from Xichang, sending Shijian-25 on its way to orbit, Jan. 6, 2025. Credit: Ourspace HELSINKI — China’s experimental Shijian-21 and Shijian-25 satellites have separated in ...

A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds (one sidereal day).

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 ...

WASHINGTON — The U.S. Space Force selected 14 companies to compete for contracts under a new $1.8 billion procurement of satellites and supporting technologies to monitor activity in geosynchronous ...