In 1952, DC’s skies were littered with US fighter jets chasing UFOs. More than 70 years later, the mystery persists

The night was warm and muggy over New Castle Air Force Base in Delaware, the kind of heat that clung to the metal skins of ...
Interesting Engineering on MSN

Sixth-gen fighter: China speeds up development of J-36, J-50 jet; challenge US’ air dominance

Often referred to as the J-36 and J-50, these aircraft are widely believed to represent China’s vision for future, ...