First, Russia has now joined the fray with the recent arrival of its own suspected inspector (or attack) satellite in GEO.

DARPA is preparing to test one of the most ambitious orbital servicing missions ever attempted: a robotic spacecraft capable ...

DARPA has a plan to keep geosynchronous satellites going for years beyond their expiration date. The agency aims to test it ...

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 ...

This year, DARPA should finally realize its long-time ambition to service and even cannibalize satellites in geosynchronous ...

DARPA is all set to launch its robotic spacecraft designed to inspect and repair satellites in the geosynchronous orbit as ...

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).

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 ...

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 ...

HELSINKI — China appears to have considered boosting its space situational awareness capabilities by placing a satellite in a retrograde orbit out at the geostationary belt. A paper published in ...