No air-breathing aircraft has beaten NASA’s 2004 X-43A speed record. That detail remains notable in light of the small size, ...
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At 7,346 mph, the X-43A crossed Atlantic distance in 25 minutes — 22 years later, nobody has built anything faster
The U.S. is spending $3.9 billion in 2026 to develop hypersonic weapons NASA already proved possible 22 years ago. In 2004, NASA's X-43A hit Mach 9.6 — about 7,346 mph — and became the fastest ...
Rocket Lab launched a scramjet-powered hypersonic vehicle for the U.S. military to suborbital space on Friday (Feb. 27). The company's HASTE suborbital rocket lifted off Friday at 7 p.m. EST (0000 GMT ...
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