NASA astronauts Butch Wilmore and Suni Williams originally planned to go to space for just eight days in June last year. But they got stuck on the ISS when their Boeing Starliner spacecraft experienced problems.

Most of the Expedition 72 crew enjoyed a day off on Tuesday, while two NASA astronauts focused on cutting-edge human research and biotechnology studies. This work comes as the crew prepares for two spacewalks later this month,

Auroras are beautiful lights seen near the North and South Poles. If you are near the North Pole, the lights are called aurora borealis or Northern Lights.