At least one object in photos NASA's Curiosity rover will transmit from Mars later this year will look familiar to all Americans: a Lincoln penny sent as a camera reference.
Ten years since its launch, RHESSI has observed more than 40,000 X-ray flares, helped craft a model of how solar eruptions form, and fueled additional serendipitous science papers on such things as the shape of the sun.
NASA's solar-powered Juno spacecraft successfully refined its flight path Wednesday with the mission's first trajectory correction maneuver.
A camera aboard one of NASA's twin GRAIL lunar spacecraft returned its first unique view of the far side of the moon.
It's an alien environment out there: the material in the galactic wind doesn't look like the same stuff our solar system is made of.
02.08.12 - The giant black hole at the center of the Milky Way may be vaporizing and devouring asteroids.
02.01.12 - A camera aboard one of NASA's twin Gravity Recovery And Interior Laboratory (GRAIL) lunar spacecraft has returned its first unique view of the far side of the moon.
01.26.12 - NASA will host a Science Update at 1 p.m. EST, Tuesday, Jan. 31, 2012, to discuss new analysis from NASA's Interstellar Boundary Explorer (IBEX) spacecraft of material from outside our solar system and the interstellar boundary region that surrounds our home in space.
01.17.12 - Twin NASA spacecraft that achieved orbit around the moon New Year's Eve and New Year's Day have new names thanks to elementary students in Bozeman, Montana. Their winning entry, "Ebb and Flow," was selected as part of a nation-wide school contest that began in October 2011.
Audio and Video podcasts on NASA missions exploring our solar system.
NASA's monthly guide to watching the night sky.