Brown, who famously starred as the telekinetic teen for the show's five seasons, is the only person (aside from the Duffer brothers) who knows what really happened to her character.

Sergeant Major of the Marine Corps Carlos Ruiz is 50 and still trains with Marines worldwide. Here's how he trains to stay mission-ready.

The North American Aerospace Defense Command has been tracking the location of Santa Claus for children since 1955.