NASA has wasted no time in selecting the vehicle that will replace the upper stage on its new plans for a standardized Space Launch System rocket.

The two-day countdown test at NASA’s Kennedy Space Center in Florida included filling up the tanks of the giant Space Launch System rocket with millions of pounds of liquid hydrogen and liquid oxygen.

NASA fueled up its giant lunar rocket and completed a launch-day walkthrough on Thursday ahead of its highly anticipated mission to send four astronauts around the moon. The hourslong test, known as a ...

Although it seems to have flown slightly under the radar when it comes to the broader public interest and rapid-fire news cycles of today, NASA is currently preparing for one of the most ambitious ...

NASA has pulled off a high-flying aurora investigation, launching three rockets into the glowing northern lights over Alaska. One mission targeted mysterious dark patches called black auroras, while ...

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 ...

The Artemis II mission will send four astronauts on a 10-day journey around the moon. Potential launch windows for the mission are being considered for early March and April. The test confirmed ...

NASA will conduct a second “wet dress rehearsal” this week before announcing a date to launch four astronauts around the moon on its Artemis II mission. This test is similar to a dress rehearsal that ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Artemis II rocket sits on Launch Pad 39B at NASA’s Kennedy Space Center on February 3 in Florida. - Joe Raedle/Getty Images ...

CAPE CANAVERAL, Fla. (AP) — NASA took another crack at fueling its giant moon rocket Thursday after leaks halted the initial dress rehearsal and delayed the first lunar trip by astronauts in more than ...

NASA on Wednesday is set to roll its enormous Space Launch System rocket back to the hangar for repairs, a move that will delay the launch of four astronauts on a long-awaited flight around the moon ...