Wednesday marks the 25th anniversary of the International Space Station’s (ISS) physical assembly in orbit. On December 6, 1998, the crew aboard the space shuttle Endeavor attached the US-built Unity ...

(CNN) — Here’s a look at the International Space Station (ISS), a spacecraft built by a partnership of 16 nations: United States, Canada, Japan, Russia, Brazil ...

Exactly 25 years ago, the U.S. Unity module linked together with Russia’s Zarya module in Earth orbit, marking the official start of the International Space Station. On Wednesday, NASA shared a video ...

Starting from two modules in 1998, the ISS now is a six-bedroom research facility. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronauts on ...

What does it take to build a home in the most unforgiving environment known to humanity, space? The International Space Station (ISS), a marvel of modern engineering, answers this question with its ...

November 1998 - A Russian Proton rocket places the first piece, the Zarya module, in orbit. December 1998 - The space shuttle Endeavour crew, on the STS-88 mission, attaches the Unity module to Zarya ...