LOS ANGELES AIR FORCE BASE, El Segundo, Calif. – The Air Force’s second Advanced Extremely High Frequency satellite is scheduled to launch May 3 aboard an Atlas V launch vehicle, from Space Launch ...

The sixth Lockheed Martin (NYSE: LMT)-built Advanced Extremely High Frequency (AEHF-6) protected communications satellite is encapsulated in its protective fairings and mounted atop its rocket in ...

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Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

Like the teeth of a comb, a microcomb consists of a spectrum of evenly distributed light frequencies. Optical atomic clocks can be built by locking a microcomb tooth to a ultranarrow-linewidth laser, ...

Terahertz devices will greatly increase the speed at which data can be transferred and processed. In this study, researchers developed a novel strategy to convert the frequency of a terahertz wave ...