China’s Falling Space Station Won’t Land On Your Head. Probably.

Odds are, you probably never gave much thought to NORAD object number 37820 in the seven years since it went into orbit in 2011. But odds are also that you're giving a lot of thought to it now. That's because NORAD object 37820 is also known as China's Tiangong-1 space station, and it's coming home—fast.