Add Yahoo as a preferred source to see more of our stories on Google. An automated announcement told United passengers to put on oxygen masks during a Transatlantic flight. A passenger on the flight ...

The oxygen masks that drop from airplane ceilings during emergencies contain enough breathable air for roughly 12 to 15 minutes—a fact airlines don’t exactly advertise in their cheerful safety ...

Yes, we know that flying is typically considered the safest way to travel. This doesn't change the fact that we're hurtling along tens of thousands of feet in the air, in a vehicle that still seems ...