November 9, 2012 The experiment lays the foundation for an electronic infrastructure that would allow us to communicate through the vast distances of space.
November 6, 2012 If politics erode how the nation values science then the interests being served can't possibly be our own. Commentator Adam Frank outlines advocates the return of science to the heart of our debates on policy.
October 31, 2012 NASA's Kepler Mission has been spotting many "Earth-like" planets within our galactic neighborhood. But what fraction of these Earth-like planets are really like our planet? The more we learn about Earth's remarkable properties, the rarer our planet seems to be. And with it, the life it hosts.
September 21, 2012 Riding piggy-back atop a Boeing 747, the shuttle performed a fly-by at several iconic spots, from Malibu and Santa Monica to the Getty Center, the Griffith Observatory, and Vandenberg Air Force Base.
September 19, 2012 The third of the fleet of four to head off to a retirement home, the shuttle will end its journey in Los Angeles. Along the way it will stop in Houston. There will also be flybys, weather permitting, over San Francisco and Sacramento.
September 17, 2012 U.S. astronaut Sunita Williams is now in command of the International Space Station, after receiving control of the facility this weekend. Three departing astronauts whose capsule left the station early Monday landed safely three and a half hours later.
September 6, 2012 Images taken by an orbiting satellite and by the rover itself offer fascinating views.
September 5, 2012 Astronauts aboard the International Space Station took a spare toothbrush along on a spacewalk today and used it to help clean debris from around some bolts. What do you use them for? (Besides brushing your teeth, that is.)
September 5, 2012 Watch as a massive flare shoots from the sun and stretches a half million miles into space. Friday's event dealt Earth's magnetic environment a "glancing blow," NASA says.
August 29, 2012 Neil Armstrong's passing brings back vivid memories of the first moon landing. It also reminds commentator Marcelo Gleiser of the strong links between science and science-fiction.
August 22, 2012 The rover moved forward a short distance, rotated and moved backward. It's fully mobile, NASA engineers say.
August 7, 2012 The Curiosity rover on Mars shows that, perhaps, we are ready to solve our problems. It shows us that we can face impossible challenges and find real, lasting solutions.
August 4, 2012 Scientist Adam Steltzner worries about whether the Mars rover landing equipment he helped design will work. But in his garden, where he approaches things like the engineer he is, he is firmly in charge.
July 25, 2012 Satellite images show that from July 8 to July 12, nearly all of the ice sheet covering Greenland had experienced some melting. According to NASA, it's the biggest summer melt in more than 30 years.
July 24, 2012 Left to other real or imagined urgencies, the singular sense of purpose and promise that space exploration brings can be easily put off until next year, next election, next budget cycle. Eventually, it may be forgotten altogether.