Key Points and Summary - NASA Planned a Mach 15 X-43D. It Never Flew — and That Matters Now. -NASA’s X-43A proved that an air-breathing scramjet could fly at hypersonic speeds, reaching Mach 7 and ...

The U.S. military just bought 20 rides on a rocket that never reaches orbit, and the flights could begin within months.

Rocket Lab (NASDAQ:RKLB) is gearing up for an upcoming launch that underscores its growing role in U.S. defense and hypersonic technology testing. The space stock recently announced the Cassowary Vex ...

Rotating Detonation Engines (RDE) have been flown by Venus Aerospace. They use continuous detonation waves for propulsion and provide 15% efficiency gains (in specific impulse or fuel consumption) ...

Add Yahoo as a preferred source to see more of our stories on Google. The first rocket launch of 2026 is coming up in Virginia. And once again, it'll be a company known as Rocket Lab that's planning ...

As nations across our planet are striving to strengthen their defense capabilities, hypersonic weapons are considered to be a potential game-changer in future warfare. This is due to their extreme ...