SR-72 “Darkstar”: The Mach 6 Successor to the SR-71 That Could Also Strike Summary and Key Points: The SR-71 remains the benchmark for air-breathing speed, but the SR-72 “Darkstar” concept aims to ...

Summary – The SR-71 Blackbird remains the fastest acknowledged crewed, air-breathing jet, a Cold War icon that relied on Mach 3-plus speed and extreme altitude to outrun threats. Since its 1990s ...

All systems operated nominally during both ascent and descent through the atmosphere in the test.

The UK-German startup Hypersonica has just shocked the world with the successful testing of its HS1 missile, reaching speeds of Mach 6 and flying over 300km, demonstrating that Europe is catching up ...

Chinese researchers have revealed progress on a weapon concept that could compress hypersonic performance ...

Chinese scientists and engineers are developing an ultra‑small hypersonic glide missile that can be fired from a standard ...