Search the Dictionary:
![](images/hdr-dyk.gif)
![International Space Station (ISS)](/images/sized/images/uploads/sd/ISS-266x174.jpg)
ISS photographed from the Space Shuttle Discovery. Courtesy NASA.
International Space Station (ISS):
An internationally developed and maintained space research station that is in orbit around Earth. The station is expected to remain in use until 2020. It can be seen from Earth as a bright light moving across the sky.