A light in the sky at night can easily be misinterpreted ... NEW JERSEY - Is it a drone, a plane or a helicopter in the sky? Experts who study unmanned aircraft systems, better known as drones ...

PHILADELPHIA – A Medevac jet crashed in a residential area of Northeast Philadelphia Friday evening, causing an explosion that briefly lit up the sky ... light goes on in the cockpit, the plane ...

If a planet is visible from the night side of Earth, it’s always seen along an imaginary path through the sky called the ecliptic. This is the plane of the solar system. The ecliptic can easily ...

Questions are being raised after footage showed a US Army Black Hawk helicopter flying straight into an American Airlines jet, killing 64 on board. US President Donald Trump has asked why the chopper ...