NASA has pushed back the February launch of Artemis 2 to March after ending a critical fuel test early Tuesday morning, which was complicated by a liquid hydrogen leak and cold temperatures due to the rare Arctic outbreak that has gripped Florida.

During the two-day dress rehearsal, running through launch-day procedures, crews found a liquid hydrogen leak in part of the rocket.

With the wet dress rehearsal, essentially a critical fueling test of the Artemis 2 Space Launch System moon rocket, now back on Feb. 2, NASA said in a statement that it can no longer target Feb. 6 or Feb. 7, the first two days of its launch window. The Artemis 2 launch window originally ran from Feb. 6 to Feb. 10.

NASA’s rehearsal for Artemis II marks one of the final steps before four astronauts get launched into deep space for the first time since the Apollo program ended.

NASA is providing a 24/7 live feed of the Space Launch System rocket on the launch pad at the Kennedy Space Center in Florida.

The countdown for NASA’s next trip around the Moon has shifted from planning to practice, as controllers begin a high‑stakes fueling rehearsal for the Artemis 2 Space Launch System. The wet dress test is designed to push the rocket and ground systems through a full launch‑day script,

Temperatures dropped into the 20s over the weekend, yet NASA teams are hard at work preparing for the historic Artemis II liftoff. Here's the latest.

All eyes are on NASA's Kennedy Space Center in Florida, where the SLS (Space Launch System) rocket and Orion spacecraft are staged on the launch pad ahead of the Artemis II mission.