NASA ran into exasperating fuel leaks during a make-or-break test of its new moon rocket Monday, calling into question how soon astronauts could take off for a trip around the moon.

NASA has delayed the planned launch of moon rocket with a Canadian on board until at least March.

According to NASA, other issues found with the SLS — which is now on the launch pad — included a faulty valve on the Orion crew module hatch, cameras that were affected by the unusually cold weather, ...