The International Space Station has once again gone blue for World Autism Awareness Day. Watch the video above to see NASA astronaut Rick Mastracchio give all of Earth a message about Autism Awareness Month from space. Autism Speaks's Light It Up Blue campaign will spread to all 7 continents this year with more than 100 countries adding blue lights to buidings in honor of autism awareness.
Wherever you live, you can join in by lighting your work or home blue. See which other buildings around the world will Light It Up Blue for autism awareness and add your building to the list!