LIVE BLOG: NASA officials scrub second attempt at Artemis launch

KENNEDY SPACE CENTER, Fla. - CURRENT ARTEMIS I UPDATES:

5:00PM | NASA said it discovered another hydrogen leak with the Artemis I rocket, which will further delay its next launch opportunity. NASA said the rocket will have to be rolled back to the Vehicle Assembly Building, and that the next launch opportunity could not be until later in September, potentially into October.

12:40 p.m. | NASA Administrator Bill Nelson said that the mission will happen "when it's ready." "We're going to make sure it's right before we put four humans up on the top of it," he said. "This is part of our space program: be ready for the scrubs." The next opportunity is expected to be on Monday, Sept. 5 with a 90-minute launch window that opens at 5:12 p.m. ET.

11:17 a.m. | The #Artemis I mission to the moon has been postponed. Teams attempted to fix an issue related to a leak in the hardware transferring fuel into the rocket, but were unsuccessful. Next launch opportunity is on Monday, Sept. 5 with a 90-minute launch window that opens at 5:12 p.m. ET.

11:15 a.m. | The NASA engineers have suggested a no go for today’s launch. NASA’s Launch Director wants to hold. She has not decided to scrub yet.

10:55 a.m. | During tanking of the #Artemis I mission, a leak developed in the supply side of the 8-inch quick disconnect while attempting to transfer fuel to the rocket. Attempts to fix it so far have been unsuccessful. Stand by for updates.

10:40 a.m. | During tanking of the #Artemis I mission, a leak developed in the supply side of the 8-inch quick disconnect while attempting to transfer fuel to the rocket. Attempts to fix it so far have been unsuccessful.

10:25 a.m. | Liquid hydrogen has resumed with a slow manual fill.

10:10 a.m. | Engineers continue to troubleshoot the quick disconnect that connects the ground system to the rocket. Meanwhile, core stage liquid oxygen is currently 99% full and into topping.

9:42 a.m. | Around 400,000 people are gathered on Florida's Space Coast for the launch, including this 7-year-old girl who made a rocket costume for the occasion.

'It's going to be so cool': Adorable Florida girl dresses as rocket for Artemis launch

Around 400,000 people are on Florida's Space Coast to watch the historic launch of Artemis l, including 7-year-old Camilla who dressed up as a rocket for the special day!

9:19 a.m. | Teams have completed pressurization of the line and restarted flow of liquid hydrogen to the tank.

9:00 a.m. | Beautiful view of Artemis on Launch Pad 39B.

8:00 a.m. | Good news! Fill has increased to full speed! We are now in Core Stage Liquid Hydrogen 2. Artemis is 37% fueled. Countdown to liftoff is on.

7:30 a.m. | Teams have stopped flowing liquid hydrogen into the @NASA_SLS rocket, as a leak has been detected in the engine cavity. Teams are troubleshooting by warming up the area.