NASA unveils its colossal moon rocket in grand display

NASA paraded its megarocket to the launchpad in Cape Canaveral, Florida, on Thursday evening, and not just for a flashy photo-op a la the Oscars red carpet.

The U.S. space agency is readying the 5.75 million-pound behemoth for a mission to the moon, known as Artemis I. It's the first in a series of deep space exploration...