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Star cluster - Completing their 197 days in space on October 4, 2018, astronauts Andrew Feustel and Ricky Arnold and cosmonaut Oleg Artemyev took this photo of the International Space Station from their Soyuz spacecraft after undocking.

© Reuters

Fish-eye view - A fish-eye view of the various scientific labs the ISS carries in space.

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Mini satellite - CubeSats, a type of miniaturized satellite, are deployed into orbit.

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Working in space - An ISS crew member storing scientific samples for later analysis.

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Kounotori 4 - The Kounotori 4, an unmanned cargo spacecraft launched by Japan, berthing.

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A snap from 2000 - The ISS pictured in 2000. Its first component launched into orbit in 1998.

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More components - The ISS photographed in 2002 displaying more components.

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Makeover - By the early 2000s, the ISS was clearly taking shape.

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More changes - By 2005, the ISS, in low earth orbit, had undergone considerable expansion.

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Another snap, but from 2006 - The ISS with its second set of solar arrays, delivered in 2006 by the NASA space shuttle Atlantis.

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Final set of solar panels installed - In 2009, the fourth and final set of solar panels had been installed. The ISS was slowly assembled over the course of a decade, through the help of various spaceflights and crews.

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Unity - A pressurized connecting module known as "Unity" as photographed from the Space Shuttle Endeavour.

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Destiny lab - The "Destiny" laboratory interior pictured in 2001. Also known as the US Lab, this is the primary research facility for United States payloads aboard the ISS.

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Quest - "Quest," the huge US Orbital Segment airlock.

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Space walk - Mission specialist Christer Fuglesang makes the second of three planned space walks during construction on the ISS in 2006.

© Getty Images

Columbus - The primary research facility known as "Columbus," as seen in 2008.

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Experiments in space - A crew member using the airlock on "Kibō," which has a sliding drawer for external experiments.

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Out of 'Star Wars' - Room with a view: The ISS's extraordinary Cupola, the design of which has been compared to the Han Solo's Millennium Falcon from 'Star Wars.'

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Leonardo - The Permanent Multipurpose Module known as "Leonardo" is installed.

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Working with a view - An incredible view of ISS astronauts at work high over New Zealand.

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Beware of heights - Cosmonaut Sergey Volkov operating a manual crane, his Soyuz spacecraft docked below him.

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Space dazzle - Russian solar arrays, backlit by sunset, dazzle in their brilliant luminosity.

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Computer age - The computer age: a bank of laptops at the ready in the ISS's US lab.

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Christmas Eve spacewalk - Mike Hopkins, one of the US astronauts making a rare 2013 Christmas Eve spacewalk. It was only the second Christmas Eve spacewalk in NASA history.

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A different sunrise - Sunrise breaks over the Earth's horizon, as seen from the ISS.

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A snap from 2011 - "Harmony," also known as Node 2, is the second of the station's node modules, pictured in 2011.

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In orbit - The ISS floats in orbit in 2000 following its undocking from the space shuttle Atlantis.

© Getty Images

The Bahamas viewed from above -

The space shuttle Atlantis in Earth orbit seen over The Bahamas just before docking for the last time with the ISS in 2011.

© Getty Images

Back in the ISS - Astronaut Andrew Feustel reenters the space station after completing a spacewalk in 2011.

© Getty Images

Fixings - Astronaut Scott Parazynski performs makeshift repairs to a US solar array, which damaged itself (top left) when unfolding.

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International teamwork -

Space shuttle Endeavour, a Soyuz TMA-21, and Progress M-10M docked to the ISS—a picture of true international teamwork.

See also: The daily lives of astronauts in space.

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