Increasingly, military and commercial aircraft can't rely on GPS. The best alternative just might be quantum navigation.

The West may be divided on tariffs, but all countries can agree that protecting global navigation satellite systems from interference from China, Russia and Iran is a matter of extreme importance.

After a 2020 breach thought to be Russia’s work, the courts told Congress that they would harden a system storing sealed documents. Five years later, the system was hacked again. By Mattathias ...