NASA made the very difficult decision to delay the launch of Artemis I just two minutes after the two-hour launch window opened at 8:33 a.m. Eastern. While disappointing, NASA Administrator Bill Nelson said, “We don’t launch until it’s right.”

The long-awaited launch of Artemis I will have to wait a bit longer, as an issue with an engine

Source: Hot Hardware – NASA Postpones Artemis I Launch To Address A Critical Engine Issue