Extravehicular activity refers to the scientific and technological practice of humans venturing outside their spacecraft in space.
International Space Station Explained
The International Space Station is a multinational space station that serves as a laboratory for scientific research and international collaboration in space exploration.
STS-95 Explained
STS-95 was a NASA space shuttle mission that marked the return to space of John Glenn, the first American to orbit the Earth.
STS-121 Explained
STS-121 was a NASA space shuttle mission that aimed to test safety improvements following the Columbia disaster.