(CNN) — NASA has begun a crucial test Monday of its towering Space Launch System rocket — marking one of the final steps before the vehicle launches four astronauts into deep space for the first time ...

NASA has pulled off a high-flying aurora investigation, launching three rockets into the glowing northern lights over Alaska. One mission targeted mysterious dark patches called black auroras, while ...

Space is an exciting frontier that has captivated humanity for centuries. This excitement stems partly from the sheer complexity of propelling a rocket into the skies, launching satellites into orbit, ...