On Monday, the Atlanta-based aerospace company Hermeus confirmed a key flight milestone after its ...

Hermeus aims to make planes for the U.S. military that travel over five times the speed of sound—and maybe even introduce the ...

Two passenger supersonic jets ever entered service, only one manned hypersonic aircraft flew, but many military aircraft are ...

Hermeus, the defense aviation company building the world's fastest aircraft, today announced its Quarterhorse Mk 2.1 ...

High-speed aircraft maker Hermeus flew the Quarterhorse Mk 2.1 demonstrator aircraft above supersonic speed for the first time, marking a first for a privately funded, uncrewed ai ...

A render of the X-59 quiet supersonic airplane flying above the desert. - Lockheed Martin For decades, flying faster than the speed of sound has meant speeding across the skies in an aircraft that ...

Discover Japan's Mach 5 hypersonic engine. We explain the JAXA Kakuda Space Center ramjet test that could make 2-hour flights ...

A supersonic jet plane designed to make very little noise took flight for the first time this week, cruising over the southern California desert just after sunrise in what could be the first step ...

NASA is getting ready to go supersonic. The U.S. space agency's experimental X-59 jet designed to eventually travel faster than the speed of sound is preparing for its second flight from California.

Lockheed Martin's experimental supersonic plane has officially entered production, the defense giant announced Friday. Earlier this year, NASA awarded Lockheed a contract worth nearly $250 million to ...