NASA has installed all four RS-25 engines onto the Artemis II Space Launch System core stage, completing a major assembly milestone for the first crewed lunar mission since the Apollo era. Built at a factory in Canoga Park,

A Canoga Park company’s rocket engines will provide the powerful thrust that sends the astronauts of Artemis II on an around-the-moon journey that will take them thousands of miles deeper into space than even their Apollo-era colleagues.

FOR LATER: The 15 remaining RD-25D space shuttle main engines are on the way from Kennedy Space Center in Florida to the Stennis Space Center in Mississippi, where they will be stored until needed to power the core stage of NASA’s planned heavy-lift ...

Thirty years ago there was no Internet, laptop computers or CDs; Gerald Ford was president; “The Mary Tyler Moore Show” was on TV; and “Jaws” was at the movies. But in South Mississippi, NASA engineers were testing a new reusable rocket engine ...

NASA is all about reusing leftover hardware from previous space programs because it helps it save time and money on the new ones. But in few such cases was NASA as good at doing that than it is in the Artemis program. America's second Moon exploration ...

Certification testing of Aerojet's new RS-25 engines for missions beginning with Artemis V was completed in April. Credit: NASA Stennis Aerojet Rocketdyne, an L3Harris Technologies company, says it has finished modernizing the last four RS-25 space shuttle ...

SLS (Space Launch System) uses a 50 year old rocket engine design that now costs $145 million each (not including labor and testing) which is over 300 times more expensive than the more powerful SpaceX Raptor 3 engine. It is a flying museum piece that is ...

When Tony Mendez looks at a Space Shuttle Main Engine (SSME), he sees a highly durable, specialized, complex machine that’s done for more than 20 years exactly what it was designed to do: propel the world’s only reusable winged spaceships. Mendez, an ...