[Saturday, May 19, 2012] The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public.

[Thursday, May 17, 2012] During the 2010-11 field season in Antarctica, personnel at the South Pole Station used a series of small explosions to collapse several old buildings, which had been buried under the ice for decades but that had become a hazard to surface travel.

[Thursday, May 17, 2012] Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of potentially hazardous asteroids.

[Wednesday, May 16, 2012] Water, methane and ammonia are collectively referred to as "volatiles" and the fact that there are different amounts on different planets is a tantalizing clue to the way the planets formed.

[Monday, May 14, 2012] The Etosha Pan in Namibia is featured in this image photographed by a member on the ISS. This photograph shows the white, salt-covered floor of the northwest corner of the great dry lake in northern Namibia known as the Etosha Pan

[Monday, May 14, 2012] Satellites are becoming increasingly important in communications and navigation. This makes us more vulnerable to the northern lights, especially within offshore and aviation.

[Friday, May 11, 2012] Its construction now complete, the science instrument that is the heart of NASA's Orbiting Carbon Observatory-2 (OCO-2) spacecraft has arrived at its integration and test site in Gilbert, Ariz.

[Thursday, May 10, 2012] The sun unleashed an M4.7 class flare at 8:32 EDT on May 9, 2012 as captured here by NASA's Solar Dynamics Observatory.

[Thursday, May 10, 2012] As you know, the Earth is a watery place. But just how much water exists on, in, and above our planet? This picture shows the size of a sphere that would contain all of Earth's water in comparison to the size of the Earth.

[Wednesday, May 9, 2012] The Ouarkziz Impact Crater is featured in this image photographed by an Expedition 30 crew member on the International Space Station.

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