Astronauts Barry "Butch" Wilmore and Sunita Williams were expecting to spend eight to 10 days in space. They ended up​ ...

Nasa had been targeting March 6 for the launch.

The Artemis II mission aims to send four astronauts​ — Reid Wiseman, Victor Glover, Christina Koch and Canadian astronaut ...

NASA's new moon rocket has suffered another setback, almost certain to bump astronauts' Artemis II lunar mission into April.

An interruption in the flow of helium to the upper stage may require that the rocket be removed from the launchpad for ...

Just 24 hours after setting a March 6 launch date for the Artemis 2 mission, NASA announced Feb. 21 that a problem with the rocket could delay the launch.

NASA’s first crewed moon mission in decades was delayed as its engineers grapple with an all-too-familiar rocket problem: hydrogen leaks. Fixing the issue is even trickier than it may seem.

Nasa had been targeting March 6 for the launch.

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 ...

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

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