NASA hit a snag early Tuesday during a critical test of its enormous moon rocket, raising new questions about whether it will be ready to send four astronauts on a journey around the moon in less than...

NASA delayed the Artemis II moon mission launch to no earlier than March 6 after a critical test revealed multiple issues.

The launch team began loading the 322-foot (98-meter) rocket with super-cold hydrogen and oxygen at Kennedy Space Center late at midday.