Australia's over-the-horizon radar can track aircraft and ships up to 3,000km away. Now Britain is reportedly eyeing the tech ...

The U.S. Army has formally approved a new air and missile defense sensor to replace its aging Patriot for low-rate production, according to its system developer Raytheon.. The service has been ...

A new $6-billion radar system planned for the Arctic will be focused on tracking incoming missiles as Canada seeks to reassure the United States it is doing its part to defend North America ...

The LARID radar can detect plasma bubbles, an unusual weather phenomenon that disrupts satellite communications and GPS by interfering with the ionosphere's charged particles.