The video "What Is the International Space Station?" explores the significance and functionality of the International Space Station (ISS), a remarkable scientific achievement and the most expensive structure ever built. It delves into its role as a collaborative effort by countries such as the U.S., Russia, and Japan. The ISS serves as a space laboratory where essential research on microgravity and long-term space habitation is conducted. The video highlights the modular construction of the ISS, completed with international cooperation, and its components like solar arrays for energy, laboratories for experiments, and robotic arms for maintenance. It sheds light on the ISS's ongoing contributions to space exploration and the science community, emphasizing its importance in paving the way for future space missions. This educational piece enriches understanding of space sciences and the collaborative spirit of international space efforts.