The agency recently delayed the Artemis 2 mission due to a liquid hydrogen leak that has plagued the SLS rocket.

NASA is still aiming for a potential launch in March for the moon-bound mission. Issues with equipment on the ground in Cape Canaveral limited the flow of liquid hydrogen fuel into the rocket.

The next series of launch opportunities for the Artemis II mission begin March 3. If the mission doesn’t lift off in March, NASA will need to roll the rocket back to the Vehicle Assembly Building to ...

A test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to launch astronauts on a mission around the moon.

NASA's historic Artemis II mission was postponed to March after hydrogen fuel leaks were detected during a fueling rehearsal.

As NASA prepares to kick off the Artemis missions, experts have noticed a potentially dangerous issue with a crucial component: the newly designed spacesuits.

Artemis II was set to launch in February, but a leaky situation has caused a delay. Find out about the challenges NASA is ...

Add Yahoo as a preferred source to see more of our stories on Google. The International Space Station has never experienced a medical evacuation in the 25 years it has been inhabited by astronauts ...

NASA set out to stop a dangerous asteroid — but the mission ended up creating a brand-new problem no one expected. In this video, we’ll break down what went wrong, why the impact didn’t behave the way ...

Yesterday afternoon, NASA lost contact with its New Horizons spacecraft for an hour for reasons unknown. This is generally not a good thing when you’re working with technology that’s 4.5 light hours ...