For the first time since Hurricane Katrina, NASA’s Stennis Space Center, Miss., returned to its primary business today, testing space shuttle main engines. Engineers successfully test-fired an engine ...

Orion is the name of the spacecraft NASA will be using to take people to the Moon and back as part of the Artemis program. The first test flight of the thing, together with the Space Launch System ...

NASA’s Marshall Space Flight Center in Huntsville, Ala. This is the first flight with a complement of three enhanced engines. The improved engines will make the world’s only reusable launch vehicle ...

A clear explanation of how a ship’s main engine operates, covering fuel intake, combustion, power generation, and how that ...