Hermeus successfully flew its latest Quarterhorse aircraft, marking the company’s second first flight in less than a year.

Hypersonic plane startup, Hermeus, plans to make a plane faster than the SR-71 blackbird spy plane. the SR-71 could reach mach 3.3 and fly at 85000 to 100,000 feet in altitude. Quarterhorse Mk 2 will ...

Add Yahoo as a preferred source to see more of our stories on Google. In a step that could bolster the U.S.'s hypersonic weapons push, the Pentagon on Monday confirmed the second successful test of a ...

Most Important Points: Russia’s proposed sixth-generation MiG-41 fighter promises extreme capabilities like MACH 4 to MACH 5 speeds, stealth, hypersonic weapons, and satellite destruction at ...

Fans of the 1960s anime Speed Racer who have always dreamed of driving the Mach 5 are in luck. Although it doesn’t have all of the functional gadgets of the car from the cartoon, the closest thing to ...