Spike Aerospace’s S-512 was designed as a small supersonic business jet meant to cut travel times without the punishing sonic ...

(Reuters) - Supersonic passenger travel, which died out with the Concorde's demise in 2003, will make a comeback by the mid-2020s if three entrepreneurial U.S.-based companies can make jets quiet and ...

Spike Aerospace’s S-512 was designed as a quieter answer to the problem that helped kill Concorde overland sonic boom. The sleek business jet promised Mach 1.6 to 1.8 speeds, a range long enough for ...