NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft.

Tucson-based small-satellite launch startup Vector has won a key U.S. patent for its small-rocket engine technology as it moves toward its first orbital flight later this year. Vector was awarded ...

Essentially, a nuclear rocket engine is a reactor that has hydrogen running through it as a propellant, which is heated to an astonishing 3,000 K (2,727 °C, 4,940 °F), giving it almost twice the ...

Using supersonic shockwaves for combustion, the groundbreaking design could allow aircraft to travel up to six times the speed of sound. Reading time: Reading time 4 minutes Venus Aerospace is a ...