Mach 10, ten times the speed of sound, would be about 7,600 mph. It hasn't been reached yet, but could a pilot even survive ...

The US secretive hypersonic jet SR-72, also known as ‘Son of Blackbird,’ will reportedly debut in 2025. According to various ...

Created by Lockheed’s legendary Skunk Works team—a top-secret ... SR-71 Blackbird spy plane flew more than three-and-a-half times the speed of sound, so fast that no other aircraft could ...