Add Yahoo as a preferred source to see more of our stories on Google. Braving rare sub-freezing temperatures, Kennedy Space Center workers pressed ahead with a dress-rehearsal countdown Sunday, ...

A critical rocket test that will help determine when NASA can launch its first human moon mission in more than five decades appears to be on track after cold weather in Florida prompted a two-day ...

NASA’s Artemis II Space Launch System rocket (SLS) has begun a critical fueling test at Kennedy Space Center in Florida in preparation for the mission that will carry astronauts around the Moon.

NASA and contractor engineers pumped more than 750,000 gallons of supercold propellants into the agency's huge Space Launch System rocket Thursday without any signs of hydrogen leaks in a major step ...

Did you see Sunday night’s brilliant and beautiful full snow moon? It provided the perfect backdrop to the Artemis II moon mission rocket, perched atop frigid Launch Pad 39B, as NASA personnel ...