The North American XB-70 Valkyrie was a “technical marvel” of the 1950s—a Mach 3, 70,000-foot nuclear bomber designed to ...

The North American XB-70 Valkyrie embodied a once-dominant creed: outrun defenses at Mach 3 and 70,000 feet. -The prototype ...

Hypersonic flight could one day make long-haul travel as quick as a short movie. Researchers are testing how turbulence ...

A laser-powered experiment reveals turbulence secrets that could make hypersonic flight — and one-hour global travel — a ...

If it were to become a reality, hypersonic flight, long the realm of science fiction, could revolutionize global travel, ...