With handful of start-ups on board from Hermeus to Venus Aerospace, hypersonic commercial flights could soon become a reality ...

The Stratolaunch was constructed out of two 747s, and is designed for a single purpose: as a mobile launch platform for orbital rockets. There are a couple of ways to measure the size of an aircraft.

Defense manufacturer Kratos announced this week it is developing a new hypersonic drone system. The Round Rock, Texas, based ...