Footage of an air traffic control room screen shows the radar view of an American Airlines plane colliding with a military helicopter. Officials say no one is believed to have survived ...

The research that went into improving radar ... in the air. The rectifier's job was to translate the reflected signal into the direct current necessary for visualization on the screen.

The test took place at night, with footage from inside the control station briefly showing radar blips on the screen, indicating the drone has detected contacts. Flight parameters were not ...

Three more airplane-sized asteroids are on the radar for today, all between 100 and 120 feet wide. The closest these rocks will come is over 4,000,000 miles away. Asteroids are inactive bodies ...

Although we think of air-to-air radar as a relatively modern invention, it first made its appearance in WWII. Some late war fighters featured the AN/APS-13 Tail Warning Radar to alert the pilot ...

but another shot of the main control screen showed the drone in level flight at an altitude of 24,997 feet. The integration of the MURAD radar on the UCAV represents a first step towards the ...