Short answers, pulled from the story.
The Vehicle Assembly Building encloses 129,428,000 cubic feet of space, making it the eighth-largest building in the world by volume as of 2022. It stands 526 feet tall, 716 feet long, and 518 feet wide, covering 8 acres. It is the largest single-story building in the world.
Construction began on the 2nd of August 1963 with the driving of the first steel foundation piles, and the building was completed in 1966. It was originally named the Vertical Assembly Building and renamed the Vehicle Assembly Building on the 3rd of February 1965.
The VAB does not generate its own weather, but fog from outside can enter and linger when the massive doors are opened. The building's air conditioning system is designed to control moisture rather than temperature, using 125 roof ventilators and four large air handlers providing 10,000 tons of refrigeration capacity.
Each high bay door in the VAB stands 456 feet tall, making them the largest doors in the world. Each door is made up of seven vertical panels and four horizontal panels, and takes about 45 minutes to fully open or close.
The VAB was originally built to assemble the Saturn V rocket for the Apollo program. It was later used to mate Space Shuttle orbiters to their external fuel tanks and solid rocket boosters. As of March 2022, the first Space Launch System rocket for the Artemis I mission was assembled there, launching on the 16th of November 2022.
In the 2004 storm season, Hurricane Frances removed 850 aluminum panels from the exterior, creating about 40,000 square feet of new openings. Hurricane Jeanne blew off 25 more panels three weeks later, and Hurricane Charley caused damage estimated at $700,000. Damage from all three storms remained visible in 2007.