Virgin Galactic has revealed early designs for a supersonic passenger plane capable of flying at speeds up to Mach 3, three times the speed of sound. This futuristic jet could cruise at approximately ...

Key Points and Summary - Moscow has again floated the MiG-41/PAK-DP as a next-gen interceptor to replace the MiG-31, with claims of Mach 4+ speeds and near-space operations. -Independent reporting ...