<p>NASA’s Mars Exploration Rover Opportunity has found bright veins of a mineral, apparently gypsum, deposited by water. Analysis of the vein will help improve understanding of the history of wet
<p>NASA’s Voyager 1 spacecraft has entered a new region between our solar system and interstellar space. Data obtained from Voyager over the last year reveal this new region to be
<p>On August 1, 2010, an entire hemisphere of the sun erupted. Filaments of magnetism snapped and exploded, shock waves raced across the stellar surface, billion-ton clouds of hot
<p>NASA’s Cassini spacecraft has photographed a flash of sunlight reflecting from a lake on Saturn’s moon Titan, confirming the presence of liquid hydrocarbons on a part of the moon dotted
<p><a href="http://www.nasa.gov/images/content/410759main_threeframes_big.jpg" target="_blank"></a>A network of cameras deployed around the Arctic in support of NASA’s THEMIS mission has made a startling discovery about the Northern Lights. Sometimes, vast curtains of aurora