If you spot a specific type of aircraft looming in the sky, it might signal that humanity is on the brink of catastrophe.

The present planes are heavily modified Boeing 747-200 aircraft designated VC-25A. The type is the latest to be nominated for ...

No such problems occurred this time. The modified 747, named Cosmic Girl, left its base in California's Mojave desert at 10:50 PST (18:50 UTC) to fly out over the Pacific Ocean. A little under 60 ...