Decades before hypersonics entered today's headlines, NASA drafted an aircraft that bordered on surreal. Discover the story ...

Only three of these aircraft were built, with one being destroyed and two operating successfully. The X-43 testbed aircraft ...

Hitting a target with a missile anywhere in the world in less than an hour – that’s the Pentagon’s goal with its ongoing development of hypersonic weapons. Moving from the experimental phase to ...

China is fast-tracking potential space-travel technology designed to simulate speeds of Mach 30, a paradigm changing velocity more than five times the speed of the hypersonic threshold considered to ...