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 ...

Originally scheduled to arrive in the United States by the end of October, the European Service Module meant for the NASA Orion spacecraft will not be making its official debut until mid-November.

NASA has selected Aerojet Rocketdyne to build the Orion Main Engine (OME), the primary propulsion element for NASA’s Orion spacecraft that will be used to explore deep space. Under the contract, which ...

Researchers say China’s lunar lander has three backup engines, unlike US design which relies on one main power source.