The International Space Station (ISS) is almost the size of a football field. It serves as a laboratory and living space for astronauts, including Sunita Williams and Butch Wilmore, who spent 9 months aboard stranded.

NASA’s Suni Williams and Butch Wilmore have returned to Earth from a weeklong mission at the International Space Station that turned into an unexpectedly extended stay.

Two NASA astronauts returned to Earth on Tuesday after spending nine months at the International Space Station, which was initially intended to be a weeklong assignment.

Suni Williams and Butch Wilmore returned to Earth on a SpaceX spaceship after their week-long flight turned into nine months on the space station.