Last-minute problems have delayed the latest launch of SpaceX's mega rocket Starship. Monday evening's countdown got down to the 40-second mark.

Those wanting to see SpaceX’s Starship rocket take flight on Monday afternoon will have to wait as test flight 8 was scrubbed shortly before launch.

The Super Heavy booster (left) is seen alongside the Starship spacecraft, or upper stage (right), which is secured in the arms of the "Mechazilla" launch tower at the Starbase facility near Brownsville, Texas, on Sunday. Photo: Kaylee Greenlee/Reuters via CNN Newsource