What does water look like in space? In one word: cool. Check out the latest video from NASA where three astronauts play around with a water bubble they've grown inside the International Space Station.

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

Nasa has unveiled plans to send astronauts to live on the moon - inside glass bubbles made from lunar dust. The American space agency is funding research into the large livable spheres which would be ...