Why? A vertical stabilizer, often referred to as the 'tail fin,' is fitted to the aircraft's rear. This, along with the horizontal stabilizers, makes up the empennage. The vertical stabilizer is ...

A pigeon-inspired robot has solved the mystery of how birds fly without the vertical tail fins that human-designed aircraft rely on. Its makers say the prototype could eventually lead to passenger ...

One showed a triangular aircraft similar to America's retired F-117 Nighthawk stealth fighter, with some notable differences. The prototype by Chengdu Aerospace Corporation lacked a tail and fin ...