The space shuttle Endeavour and its six astronauts returned safely to Earth today, ending a mission that resulted in the virtual completion of the International Space Station.

The shuttle Endeavour left the International Space Station and headed home today, leaving behind a nearly-complete outpost with the best ever windows on the world.

Astronauts ventured out on the third and final spacewalk of their mission today to unwrap the International Space Station’s new lookout – the best window on the world that orbiting crews have ever had.

Space shuttle Discovery and its seven astronauts took a cross-country detour and landed safely in California after stormy weather prevented them from returning home to Florida for the second day in a row.