NASA - National Aeronautics and Space Administration

NASA is developing technologies that will allow lunar landers to automatically identify and navigate to the location of a safe landing site while detecting landing hazards during the final descent to ...

Scientists using NASA’s RHESSI spacecraft have measured the roundness of the sun with unprecedented precision and found that it is not a perfect sphere.

Hot spots near the shattered remains of an exploded star are echoing the blast's first moments, say scientists using data from NASA's Spitzer Space Telescope.