Thad McCauley wanted to be an astronaut when he grew up. Instead, he became an art teacher. But now his art is on display inside the International Space Station, so it kind of worked out. McCauley ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Rendering of fireworks on the Potomac River as part of artist Cai Guo-Qiang's "Interspecies Love ...