World's largest 3D-printed rocket engine

UK startup Orbex has showed off its Prime Rocket's second stage. Inside the engineering prototype's shell is the "world's largest" 3D printed rocket engine, which is also designed to run on bio-propane, a renewable fuel source.

China Just Launched Its Largest Rocket Ever

China's newest and biggest heavy-lift rocket was successfully launched today.

NASA is Going Green With a New Rocket Fuel in 2017

After decades of using the same type of rocket fuel, NASA has decided to find something more environmentally friendly to allow the next generation of spacecraft to thunder out of the atmosphere.