Add Yahoo as a preferred source to see more of our stories on Google. NASA's Space Launch System rocket and Orion spacecraft, pictured here on February 1, are currently on Launch Pad 39B at Kennedy ...

Humans have achieved groundbreaking feats in space exploration, reaching distant stretches of space with missions like Voyager 1. However, none of this would have been possible without rockets.

If all had gone according to plan, four astronauts might have been returning just this week from a history-making, 10-day slingshot trip around the moon. Instead, NASA’s engineers have been grappling ...

CAPE CANAVERAL — If all had gone according to plan, four astronauts might have been returning just this week from a history-making, 10-day slingshot trip around the moon. Instead, NASA's engineers ...