Summary and Key Points: Senior Defense Editor Christian D. Orr analyzes the Mikoyan-Gurevich MiG-31 “Foxhound,” a supersonic ...

For the second time in just over nine months, an Atlanta-based company this week debuted a new supersonic test aircraft.

The world's first hydrogen-fueled hypersonic jet may be able to reach a simply astounding speed of 12 times the speed of sound. That's about half the speed of satellites in low Earth orbit. The ...

"Hypersonic" refers to speeds over Mach 5, or five times the speed of sound. That's approximately 3,800 miles per hour, a pace that could take you all the way around the equator in less time than it ...

GE and Lockheed ground tested a new air-breathing hypersonic jet engine capable of powering missiles to speeds well in excess of Mach 5 in a smaller, cheaper, lighter, and more efficient package than ...

Technological advancements are a double edged-sword. Telecommunication and fast transport through airplanes have made life much more convenient, and medical advancements have made conditions easier to ...

Hypersonix 3D printed scramjet reaches Mach 5 in historic flight, showcasing groundbreaking hypersonic technology from ...

This weapon could be the U.S.’s first true hypersonic missile. Its unique liquid engine makes it accurate, maneuverable, and fast enough to outrun China and Russia.