Gorilla on the International Space Station?!

Either someone at NASA stowed the incorrect storage bag on the supply capsule for the International Space Station, or this is some kind of hilarious prank. A video shared by NASA astronaut Scott Kelly's identical twin brother Mark Kelly reveals a gorilla floating around on the International Space Station.

What gives?

As it turns out, the gorilla is just Scott Kelly pulling a prank on his fellow colleagues on the International Space Station. He's in the gorilla suit, which was given to him as a present from his brother Mark.

Things can be boring or lonely on the International Space Station, so one can always count on Scott to brighten the mood.