Here are some of the reasons why aircraft can catastrophically veer toward the ground like a medevac jet did in Philadelphia ...

"If you go through your regular exercises and categorize each by its primary plane of motion, odds are you’ll find you are training almost entirely in the sagittal plane (squats, chest presses, bicep ...

Seven people died and nearly two dozen more were injured when a medical jet crashed in northeast Philadelphia on Friday night ...

All body movements occur in different planes and around different axes. A plane is an imaginary flat surface running through the body. An axis is an imaginary line at right angles to the plane ...

New footage has captured the moment a passenger plane and military helicopter collided above Washington DC, as Donald Trump ...