While a small hobby rocket would happily ignite from just a spark, by the time you have an SRB the size of those strapped to a Shuttle’s main tank or to the SLS stack, you need something a lot ...

In today's offering, we have this 3D printed aerospike engine created using AI's generative design skills that just completed ...

Photo: J. Bennett Fitts Rocket engines are rated on a letter scale from A to Z, ... Nowaczyk's rocket is a monster by hobby standards—17 feet long and 375 pounds.

Modern rockets, which use a liquid or solid fuel, didn't come into being until a scientist named Dr. Robert H. Goddard developed and launched the first liquid-fueled rocket on March 16, 1926.

Solid-fuel rockets are great for plenty of things, like boosting Space Shuttles into orbit or launching a hobby rocket into not-quite-orbit-but-way-way-up-there. Of course, if you want a semblance ...

Whether the German V-2 rocket, NASA’s legendary Saturn V, or SpaceX’s Falcon Heavy, all rocket engines share a common attribute: their exhaust nozzles are shaped like bells.

Blue Origin is unlikely to deliver two flight-ready versions of the BE-4 rocket engine to United Launch Alliance (ULA) before at least the second quarter of 2022, two sources say. This increases ...

Rocket engines carry everything they require into space, rather than relying on air. Like Earthly engines, rocket engines operate using combustion. Since all forms of combustion need oxygen, ...

The fastest aircraft ever flown, NASA’s X-43, used a rocket engine to provide an initial boost before an air-breathing hypersonic jet engine—known as a scramjet—took over and accelerated the ...

The engine, which builds on the YF-100 engine developed for and used on China's Long March 5, 6, 7 and 8 rockets, has multiple-start and variable thrust capability. "The key characteristic of the ...