Earth’s geosynchronous orbit (GEO) holds some of the most valuable satellites that carry out tasks for phones, television, ...

In a new study, published in the Journal of the Astronautical Sciences, Warwick researchers led an international effort to ...

Astronomers have detected space debris as small as 5 centimeters in geosynchronous orbit, revealing a largely hidden ...

The world’s leading space powers desperately want to know what the others are up to high above the equator. For more than a decade, the US military has operated a fleet of “inspector” satellites ...

A Long March 3B lifts off from Xichang on Aug. 12, 2023, carrying the Ludi Tance-4 (01) satellite into GTO. Credit: Ourspace HELSINKI — China launched what is thought to be the world’s first ...

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).

WASHINGTON — A United Launch Alliance Vulcan Centaur rocket lifted off early Feb. 12 on a multi-manifest national security mission, sending payloads directly to geosynchronous orbit more than 22,000 ...

United Launch Alliance’s Atlas V rocket returned to action Sunday with a mission to deploy multiple satellites into geosynchronous orbit for the National Reconnaissance Office and the US Space Force.

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 ...

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 ...

An unknown number of satellites that are part of a new U.S. national security initiative to track objects from geosynchronous orbit (GEO) were deployed on Sept. 10 during one of the last Atlas V ...