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).

Under the new GHOST-R effort, the Defense Innovation Unit hopes to have a high-resolution bird operating on orbit within 24 months.

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 ...

Missile detection satellite designed by BAE Systems passes early review Missile-tracking satellite designed by BAE Systems passes early review ...

Northrop Grumman has written a new line in the history books, the company's Mission Extension Vehicle 1 (MEV-1) executing the first undocking of two commercial satellites in geosynchronous earth orbit ...

According to footage captured by s2a systems and uploaded to X, two Chinese satellites, Shijian-21 and Shijian-25, flew into extremely close proximity on both June 13 and June 14. This is notable, ...

NASA can use space-rated actuation hardware for a wide range of applications, including in robotic arms that deploy equipment.

Is China building out a satellite network in geosynchronous Earth orbit while deploying a fleet of robot guardians to patrol them? In his final appearance before Congress as assistant defense ...