If you've ever looked up at the night sky at the sound of a passing plane, you may have noticed a small blinking red light. That's called an anti-collision beacon, and while it might seem minor from ...

The pilots of a U.S. Army helicopter that collided with a passenger jet over Washington in January would've had difficulty spotting the plane while wearing night-vision goggles, experts told the ...

The pilots of a U.S. Army helicopter that collided with a passenger jet over Washington in January would’ve had difficulty spotting the plane while wearing night vision goggles, experts told the ...