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Commentary
Astronaut Chris Hadfield's Most Excellent Adventure
May 18, 2013 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.
Research News
Water Trapped For 1.5 Billion Years Could Hold Ancient Life
May 16, 2013 Scientists have discovered water that was sealed in Canadian bedrock for nearly half of Earth's history. It may contain the descendants of ancient microbes. The discovery could give scientists new insights into early life on Earth and inform the search for life on other planets.
The Two-Way
NASA Says Kepler's Planet-Searching Days May Be Numbered
May 15, 2013 The mission launched in 2009 to hunt for Earth-like planets circling distant stars may be coming to an end because of a faulty part in the space telescope.
The Salt
Chris Hadfield: Space Chef In Chief
May 14, 2013 The Canadian astronaut didn't just tweet and sing his heart out during his five months as commander of the International Space Station. He also took time out to show the world what it's like to eat up there.
Monkey See
'Space Oddity' In Space: Yes, Astronauts Are Still The Coolest Humans
May 13, 2013 If you were an astronaut, isn't a David Bowie cover what you'd be doing?
The Two-Way
Astronauts Go On Spacewalk To Fix Ammonia Leak
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.
Astronauts Plan Spacewalk To Plug Space Station Leak
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.
The Two-Way
Spacewalk Planned To Repair Station's Leaky Cooling System
May 10, 2013 Astronauts discovered an ammonia leak in a system designed to keep the International Space Station's power supply cool.
Author Interviews
Buzz Aldrin's Case For A 'Mission To Mars'
May 9, 2013 In Mission To Mars, astronaut Buzz Aldrin lays out his plans for getting Americans on Mars by 2035.
Krulwich Wonders...
Our Very Normal Solar System Isn't Normal Anymore
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."
The Two-Way
Send Your Haiku To Mars! NASA Seeks Poets
May 2, 2013 NASA is looking for three haiku to include on a DVD that will travel to Mars aboard a spacecraft this fall. And everyone who submits a poem will have their name included.
The Two-Way
NASA Details Space Telescope's Cosmic Near Miss
May 1, 2013 Last year, the Fermi Gamma-ray Space Telescope experienced a dangerous close pass with a Cold War-era spy satellite.