Expedition 55/56 Flight Engineer Ricky Arnold explains the significance of these resilient structures and the forces they are up against in microgravity.

Watch Expedition 55/56 flight engineer Ricky Arnold in this two-part episode as he explains spacewalk safety and training in addition to the parts of the spacesuit that protects astronauts outside the space station.

Watch Expedition 55/56 Flight Engineer Ricky Arnold as he explains the station’s solar arrays and the importance of solar energy on the space station.

Watch Expedition 55/56 Flight Engineer Ricky Arnold discuss the crew sleeping quarters, why sleep is important and how they adapt for circadian rhythms aboard the space station.

Have a kid who is space obsessed? Introduce them to Storytime from Space, where astronauts read children’s books while in space.

Space Station Explorers is a community of educators, learners, and organizations that make STEM learning fun and exciting through connections with the International Space Station (ISS) National Lab.

Astronauts tested 16 toys to learn how the laws of physics would affect the behaviors of the toys.

What happens when you send Nickelodeon slime to the International Space Station?

Learn  about DNA analysis techniques and ongoing space biology research.

Learn  about DNA analysis techniques and ongoing space biology research.

Learn  about DNA analysis techniques and ongoing space biology research.

Learn  about ongoing space biology research.