NASA is getting ready to launch its massive, fully expendable rocket for the first crewed flight to the Moon since Apollo.

Almost four months after the American space agency NASA installed the first newly built RS-25 Space Shuttle engine on the Fred Haise Test Stand at the Stennis Space Center in Mississippi, hardware ...

A countdown is underway at NASA's Florida spaceport, ticking down the days until the public can experience a rocket engine test closer than ever before — by standing directly under the engine's nozzle ...

The Space Shuttle was and forever will be a very special vehicle in the history of space exploration. Over the course of three decades starting in 1981, the small fleet of spaceplanes took to the sky ...

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 engines, recently passed a critical milestone that put the integrated system to ...