Since the invention of gunpowder in China more than seven centuries ago, humans have sent cylinders soaring into the skies with the help of controlled explosions. These craft and their engines, called ...

A new generation of space rockets is inching closer to launch. Private space company Astrobotic recently revealed it carried out a successful test of two of its rotating detonation rocket engines ...

Have you ever wondered why rockets eventually tilt themselves after launch? Most people assume a rocket’s goal is to fly as high as possible, but ‘up’ is only the first step. If a rocket flew ...