Twenty years ago today, three astronauts stepped aboard the International Space Station. Since then, the I.S.S. has hosted hundreds of residents from many countries. This is a history of our first 20 years of living aboard. The Space Station During the past two decades, the I.S.S. grew from a small residence to a sprawling collection of laboratory modules, stowage platforms and crew living quarter
![20 Years Aboard the International Space Station (Published 2020)](https://cdn-ak-scissors.b.st-hatena.com/image/square/64e550053ad9ea483a2cd7e668da0a65e6556e5e/height=288;version=1;width=512/https%3A%2F%2Fstatic01.nyt.com%2Fimages%2F2020%2F10%2F30%2Fscience%2Fiss-20th-anniversary-timeline-1604066187607%2Fiss-20th-anniversary-timeline-1604066187607-facebookJumbo.png%3Fyear%3D2020%26h%3D550%26w%3D1050%26s%3D96e365f808ffcd678922ec86b3a048aac6210c5c2322cdfcb8e479b76fc412f0%26k%3DZQJBKqZ0VN)