The $500 billion Stargate project is projected to create hundreds of thousands of jobs. Here's what's known so far.

This offshoot series, "Stargate Atlantis," intimately explores the Antarctic outpost discovered by the SG-1 crew in the parent show, along with the aftermath of unearthing the lost city of Atlantis.

Over the years, the franchise expanded with spin-offs like Stargate Atlantis and Stargate Universe, as well as animated series and direct-to-DVD films. Despite its success, “Stargate” has been ...