NASA began the countdown Monday for humanity's first launch to the moon in 53 years. Watch NASA's news conference in the ...

Watch live visuals of NASA's Space Launch System rocket with the Orion spacecraft on the launch pad at the Kennedy Space ...

Braving rare sub-freezing temperatures, Kennedy Space Center workers pressed ahead with a dress-rehearsal countdown Sunday, readying NASA's huge Space Launch System (SLS) rocket for a critical fueling ...

The Artemis 2 stack will leave Kennedy Space Center's (KSC) huge Vehicle Assembly Building (VAB) tonight at around 8 p.m. EDT ...

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 ...