The ominous “Doomsday” plane has been spotted flying over California — for the second time in two months. The huge Boeing E-6B Mercury, which is the president’s emergency operations hub if nuclear war ...

While a flying air taxi may have once been a concept of the future, one California-based transportation company is making it a reality. One of Joby Aviation’s futuristic flying taxis officially ...

A Boeing KC-135R Stratotanker was seen flying over California while apparently tethered to a B-21 Raider, a stealth bomber with nuclear capabilities that's still in development, photos and videos show ...