Nearly fifty years after Apollo 17, NASA’s Artemis program aims to send astronauts back to the lunar surface and lay the groundwork for a lasting human presence beyond Earth. Built around the SLS rocket,

NASA is moving forward with preparations for the Artemis II mission, and the agency will soon provide live coverage of a major milestone. On Thursday, Feb. 19, NASA will broadcast its next wet dress rehearsal for the powerful Space Launch System rocket,

The two biggest commercial space companies are stepping up.

During the lead-up to NASA’s Artemis 1 mission back in 2022, recurring hydrogen leaks led to significant delays and a cancelled launch attempt. The agency had three years to address the underlying issues with the Space Launch System (SLS) rocket’s hardware,

A NASA test to confirm repairs to seals in the SLS’s liquid hydrogen fueling system was only partially successful because of problems with ground equipment.

NASA's Artemis 2 moon mission faces a new issue after a rocket test uncovered an issue with ground support equipment that could lead to another delay.

The rocket’s core stage will be loaded with more than 700,000 gallons of cryogenic fuel during the upcoming tanking phase.

NASA completed a second wet dress rehearsal for the Artemis 2 mission on Feb. 19 without the hydrogen leaks seen in the first such test earlier this month.