International Space Station: 25 years of a safe space

It passes over our heads 16 times every 24 hours — traveling through 16 sunrises and sunsets — at an altitude of a mere 430 kilometers (267 miles). It's possible to spot it from the ground and track where it is in the sky at any minute of the day. But the International Space Station (ISS) and the science that astronauts do onboard often go unnoticed. There have been numerous scientific discoveries on the ISS that have had a direct impact on our everyday lives on Earth... More

(Source: DW - Nov 18)