All those 60s, 70s, 80s and 90s kids out there may remember the classes of model rocket engines – generally A, B, C, and D sized engines used to push your cardboard tube with balsa fins skyward.

One just launched the world’s biggest rocket, with mixed success. The other makes small model rockets for hobbyists, and it's stockpiling supplies ahead of Trump's tariffs.

This is a Plug Nozzle, a unique rocket engine made in 1960 by the General Electric Company. This engine is the first flight weight model produced by G.E. and developed 50,000 lbs of thrust. In ...

When you’re building and launching a variety of advanced model rockets like [Joe Barnard], you don’t want to spend time building (and debugging) specialized flight computers for every rocket ...

Shown here is a one-eighth scale model of the NERVA (Nuclear Engine for Rocket Vehicle Application) nuclear rocket test engine on a movable stand equipped with rails. Originally conceived by the ...