Teams will keep monitoring the forecast and decide no later than Saturday whether to delay the test flight and haul the rocket off the pad.

NASA is on course for a possible launch attempt Tuesday, provided the U.S. Space Force extends the certification of batteries on board that are part of the flight safety system.

NASA could try more to launch as early as Sept. 27.

There were no passengers on board. The mission was carrying a slew of science experiments to the edge of space.

Managers said they will conduct another fueling test to ensure all hydrogen leaks are plugged. If that test goes well — and if the Space Force extends a flight safety waiver — then NASA could take another stab at launching the 322-foot rocket in late September.

A recurring leak of liquid hydrogen fuel forced NASA on Saturday to postpone a scheduled launch for the second time this week. The earliest possible launch date is Sept. 19.

The forecast is 60% for a go for when the launch window opens up at 2:17 p.m.

It's been nearly 50 years since the latest Apollo landing, and the landscape for space exploration is wildly different. Why is NASA's latest mission focused on revisiting the moon?

Monday's scheduled launched was scrubbed due to engine problems.

The space agency's long-awaited Artemis I mission will have to wait until at least Friday, after a problem with one of the SLS rocket's engines was discovered.

NASA’s SLS rocket and the Artemis I mission are scheduled to launch on Monday.

The Florida Today newspaper received estimates from local tourism and space-related officials of 100,000 to 500,000 spectators squeezing into viewing areas around Kennedy Space Center.