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. The countdown ...

NASA’s Space Launch System rocket and Orion spacecraft for the Artemis II mission arrived back at Launch Pad 39B on March 20, ...

It has been more than five decades since NASA sent astronauts to the moon — what’s another month? NASA’s planned Artemis II mission to send four astronauts around the moon has been delayed at least a ...

With just nine days until launch, four astronauts get ready for a record-setting journey around the far side of the Moon. The ...

NASA's second multi-day test to simulate a launch day is underway in Florida in a critical demonstration of whether the agency's massive moon rocket is prepared to send astronauts on a lunar mission.

NASA’s Space Launch System rocket stands on its Florida launch pad. (NASA Photo / Aubrey Gemignani) NASA counted down to T-minus 29 seconds during a smooth rehearsal for a historic launch that could ...

NASA is planning a second wet dress rehearsal for Artemis II on Feb. 19. Engineers replaced a hydrogen system filter after a partial fueling test earlier this month. March 6 is the earliest possible ...

NASA announced Tuesday that it’s pushing the launch of its Artemis II moon mission to March after finding fuel leaks during testing this week. The 10-day crewed mission is aimed at carrying astronauts ...