At the end of the SR-71 spy plane program in the 90s, the US was left without a new spy plane to operate across the world.

Jindouyun - named after Monkey King's 'somersault cloud' - reached Mach 4 at more than 65,600 feet, Space Transportation says ...

COLORADO SPRINGS—As interest grows in rotating detonation engines for hypersonic flight, a startup specialist in the technology says it will receive backing from Lockheed Martin’s corporate venture ...

Explore the breakthrough in rotating detonation engines with advanced manufacturing. Discover how they promise higher ...

Atrial fibrillation is the most common chronic arrhythmia. It is characterized by erratic atrial electrical activity with atrial rates of 400 to 600 beats per minute. The P wave is absent on the ...