Victims' families gathered near the site where a plane and copter collided and fell into the Potomac River. 'They are all ...

This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's worst air disaster in more than a decade, aviation experts said.

In addition, for reasons not entirely understood, high altitude and lower air pressure causes fluid to leak from the capillaries which can cause fluid build-up in both the lungs and the brain.

An Air Launched Effects system is deployed from ... industry for unmanned aircraft systems to launch from medium- or high-altitude platforms that would perform tasks like intelligence ...

U.S. President Donald Trump said on Friday the Army Black Hawk helicopter that collided with a regional passenger jet in ...

You can try multiple methods to prevent altitude sickness. The right option for you may depend on your situation. Here are ...