NASA astronaut Scott Kelly begins his first-ever spacewalk outside the International Space Station on Oct. 28, 2015. Credit: Kjell Lindgren / NASA Before NASA shot astronaut Scott Kelly into orbit for ...

In 1997, a fire broke out on the Mir space station, the predecessor of the International Space Station. The culprit was the spacecraft’s on-board oxygen generator, which burned solid lithium ...

The International Space Station (ISS), orbiting about 400 kilometres above Earth, is one of humanity's most extraordinary scientific achievements. It functions as both a home and a research laboratory ...