This composite image shows N49, the aftermath of a supernova explosion in the Large Magellanic Cloud.
This new Hubble Telescope photo shows a small portion of one of the largest seen star-birth regions in the galaxy, the Carina Nebula.
NASA astronaut Garrett Reisman takes a self-portrait photograph while participating in the first of three spacewalks scheduled for the Atlantis crew and their Expedition 23 hosts.
The image, from March 2010, shows the moon's topography from LRO's LOLA instruments with the highest elevations up above 20,000 feet in red and the lowest areas down below -20,000 feet in blue. THE LRO marked its one year anniversary in orbit June 23.
This image shows in great detail a solar prominence taken from a March 30 eruption. Launched on Feb. 11, SDO is the most advanced spacecraft ever designed to study the sun. During its five-year mission, it will examine the sun's magnetic field and also provide a better understanding of the role the sun plays in Earth's atmospheric chemistry and climate.
This artist's animation illustrates a massive asteroid belt in orbit around a star the same age and size as our Sun. JPL-Caltech/NASA
The Soyuz TMA-19 rocket launched from the Baikonur Cosmodrome in Kazakhstan on June 16, carrying Expedition 24 NASA astronauts Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin to the International Space Station.
The SJX61-2 successfully completed ground tests simulating Mach 5 flight conditions at NASA's Langley Research Center, Hampton, Va., in this image from 2008.
This image shows the west-facing side of an impact crater in the mid-latitudes of Mars' northern hemisphere. Like many mid-latitude Martian craters, this one has gullies along its walls that are composed of alcoves, channels and debris aprons, they could have been formed by flowing water, liquid carbon dioxide or dry granular flows.
This silhouette of Saturn was taken by the Cassini spacecraft on Feb. 13. This view looks toward the northern, sunlit side of the rings from just above the ringplane.
While the German economy is being held up as the model for ailing Europe to follow, some Germans say that the benefits of the boom aren't reaching them.
When President Obama stood in Berlin today and said that budget balancing must not trump the priority of improving lives, some saw a dig at German Chancellor Angela Merkel, who has led the call for austerity across Europe.
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