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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronaut Butch Wilmore says in the countdown test, the crew practices every single step leading up to takeoff except for actually ...

The mission, which will send four astronauts on a 10-day trip around the moon, has been delayed until at least March. This test, known as a wet dress rehearsal, involves fueling the Space Launch ...

CAPE CANAVERAL, Fla. (AP) — NASA began another practice launch countdown Tuesday for its first moonshot in decades with astronauts after making repairs to fix dangerous fuel leaks that already have ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA teams at the Kennedy Space Center began the countdown Tuesday for the second Artemis II wet dress rehearsal. No. 5 UConn ...