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

Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide some answers in the form ...

SpaceX currently controls nearly every rocket launch on Earth. With 98% of global orbital launches under its belt, Elon Musk's company has become the de facto gatekeeper to space. While China is still ...

The number of orbital launch attempts worldwide last year surpassed the record 2024 flight rate by 25 percent, with SpaceX ...

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 ...

Venus Aerospace has made the most efficient rocket engines ever flown. They will go from runway to mach 9 hypersonic speed. The Venus Aerospace Stargazer M4 is designed to reach a top speed of Mach 9, ...

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 ...