NASA on Instagram: "What's it like to float through the International Space Station? For more than 25 years—since Nov. 2, 2000—humans have been living and working on the @ISS. More than 290 people from 26 countries have visited the station; their work and scientific research is helping us learn how to live in space (and prepare for missions to the Moon and Mars) while making life better back on Earth. As we celebrate this milestone, we've released a new 15-minute tour of the station; follow alon

Physics Uncovered on Instagram: "The International Space Station, or ISS, is a massive orbiting laboratory circling Earth about 400 kilometers above the surface. Built through an unprecedented partnership between NASA, Roscosmos, JAXA, ESA, and CSA, it has been continuously occupied by astronauts and cosmonauts since the year 2000. The ISS functions as a unique microgravity research hub, allowing scientists to study everything from human biology and medicine to physics, materials science, and th