After a half-year mission at the International Space Station, Canadian astronaut Chris Hadfield lands in central Kazakhstan on Tuesday.
Hadfield just spent 146 days up at the International Space Station, during which time he performed rock concerts and shared his dazzling photographs with nearly a million Twitter followers.
May 13, 2013 If you were an astronaut, isn't a David Bowie cover what you'd be doing?
May 11, 2013 NASA sent two astronauts on a spacewalk Saturday to fix an ammonia leak in one of International Space Station's power systems.
May 11, 2013 The leak in a cooling system was discovered Thursday when "snowflakes" of ammonia were seen flying away from the station. Engineers on Earth were up overnight plotting an impromptu spacewalk.
May 10, 2013 Astronauts discovered an ammonia leak in a system designed to keep the International Space Station's power supply cool.
May 7, 2013 Turns out our solar system — with its medium sized sun, its four small rocky planets, its four big gassy ones farther out — isn't like the others. We are unusual. Very unusual. Says one prominent astronomer, we are "a bit of a freak."