The satellites that run your weather forecasts, your television, and a significant portion of global communications all occupy a narrow band of space 36,000 kilometers above the equator. They share ...

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

DARPA is at last ready to test fueling up satellites in faraway Earth orbits, to keep those machines working a little bit longer. DARPA's (Defense Advanced Research Projects Agency) long-delayed ...

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 ...

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. For ...

WASHINGTON — In a departure from how military space programs are traditionally acquired, the Pentagon is seeking proposals under which companies would build and initially operate satellites to monitor ...

For decades, geosynchronous orbit (GEO) has operated under a simple assumption: Satellites stay put. That assumption no longer holds. A small but significant subset of Chinese satellites are moving ...

At least four Russian military satellites changed their orbits to match that of a Finnish-American radar surveillance satellite in the last week, raising questions about Russia’s intentions amid an ...

WASHINGTON — The U.S. Space Force has earned a reputation inside the Pentagon for moving faster than traditional military acquisition programs. But a new government watchdog report suggests some space ...

Satellites cannot be left floating in space and must be disposed of. Here's how engineers handle it.