NORAD said several general aviation planes violated flight restrictions on June 20-21 as Trump visited his New Jersey club ...

NORAD said several general aviation planes violated flight restrictions on June 20-21 as Trump visited his New Jersey club ...

Not all airspace is open. Whether for safety, secrecy, or national defense -- fly too close and you'll face serious trouble.

It’s up, right? Simple. Except, no one really knows where “air space” ends and “outer space” begins. That might sound trivial, but defining that boundary could matter for a variety of ...