In aerodynamics, hypersonic speed refers to speeds much faster than the speed of sound, usually more than approximately Mach 5. [1][2]

13 hours ago · 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, …

Apr 3, 2025 · The Hypersonic Technology (HT) Project organizes its work into distinct research topic areas. HT explores four key topics in hypersonics: system-level design, analysis, and …

Jul 22, 2025 · The United States has actively pursued hypersonic weapons — maneuvering systems that can travel at speeds of Mach 5 and greater — since the early 2000s.

Nov 13, 2025 · New turbulence research supports a long-standing theory and brings the science of hypersonic flight a step closer to reality.

5 days ago · How world’s first hydrogen-fueled hypersonic jet could fly 12 times the speed of sound More than 25 years after the Blackbird’s retirement, the US IS pushing toward a new …

Nov 18, 2025 · New experiments confirm a decades-old theory of turbulence, revealing how air behaves at extreme speeds and shaping the future of hypersonic flight.

Sep 27, 2023 · Hypersonic speed is five times the speed of sound. Scientists measure speeds this fast with a Mach number, named for Austrian physicist Ernst Mach. Sound has a speed of …

Hypersonic flight involves traveling at speeds greater than Mach 5, revolutionizing air travel and defense with rapid, high-altitude capabilities.

The U.S. stands at a pivotal moment in defense modernization. As the global security environment grows more contested, one capability stands out for its potential to transform …