During World War II ... radar relied on a semiconductor crystal, or "rectifier." Radar worked by sending out a radio wave and analyzing the reflected wave after it bounced off any objects in the air.

Three locations in Oregon and one each in Idaho and Nevada have been selected as potential sites for a part of a $400 million ...

Doppler weather radar enabled meteorologists to spot rotating winds within a thunderstorm, which is a strong precursor to the ...

The enhanced B-52 platform is expected to play a critical role in the Air Force’s bomber strategy for years to come.

Pilots in Ukraine's Soviet-era airforce, a fraction of the size of Russia's, are using a tactic first developed by the US Air Force ... was used during World War II for radar countermeasures ...

The Army's Lower-Tier Air and Missile Defense Sensor, or LTAMDS, will replace the legacy Patriot radar with greater range and 360-degree detection capability. (Raytheon) HUNTSVILLE, Ala.

The attack reportedly damaged a mobile radar station. No casualties were reported. Late on Feb. 25, explosions were heard ...