If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our ...

Spacewalks, also known as EVAs (extravehicular activities), are a crucial part of space exploration. From routine maintenance to historic firsts, here are 10 Most Iconic Spacewalks.

Suni Williams stepped out on a spacewalk, her first since arriving at the International Space Station seven months ago ...