Tyree, from Picayune, was part of the team that tested the engines. He got to watch the Artemis II launch from Cape Canaveral ...

Add Yahoo as a preferred source to see more of our stories on Google. Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

The Space Launch System rocket's RS-25 engine was fired up for the “final round of certification testing ahead of production ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi.

The Artemis II RS-25 engine, evolved from the Space Shuttle Main Engines. L3Harris has produced four RS-25 engines for the SLS core stage, with plans to manufacture additional engines for future ...

NASA engineers have successfully conducted a development test of the RS-25 rocket engine at NASA’s Stennis Space Center near Bay St. Louis. The RS-25 will help power the core stage of the agency’s new ...

Aerospace company Relativity is expanding its rocket component production and rocket engine testing operations at NASA’s Stennis Space Center in Hancock County. The project is a $59-million corporate ...

A NASA base in Mississippi is critical to supporting the Artemis II moon mission. How Stennis Space Center helps get rockets in ready for blast off ...

As the Artemis II astronauts blasted off from Kennedy Space Center last week on their historic mission — the first crewed ...