Hypersonic flight is no longer science fiction. In recent years, interest in aircraft capable of exceeding Mach 5 has surged, driven by strategic competition, defense challenges, and NASA’s pursuit of ...

Key Points and Summary - NASA Planned a Mach 15 X-43D. It Never Flew — and That Matters Now. -NASA’s X-43A proved that an air-breathing scramjet could fly at hypersonic speeds, reaching Mach 7 and ...

We take a look at the ten fastest planes ever flown. Though some uncrewed aircraft (like the X-43) have flown faster, they ...