Altitude sickness occurs when air pressure and oxygen levels are reduced at a higher elevation, as in the mountains. It's more likely to occur if you're transported to a higher altitude quickly and ...

The Washington, DC-bound widebody aircraft – operating as flight UA613 – suddenly dropped in altitude, according to accounts posted on social media. Shared images show the aircraft’s cabin ...

The test was intended to build on a successful 12-kilometer-altitude vertical takeoff, vertical landing (VTVL) test performed in June 2024. SAST published results and footage from the June test ...