The current Geostationary Operational Environmental Satellite GOES-13 captured this image of Hurricane Danielle heading for the north Atlantic (top center),…
This graphic shows the planned flight path of NASA’s Global Hawk high-altitude environmental science aircraft during its Aug. 28 flight…
Spiral galaxy NGC 4921 presently is estimated to be 320 million light years distant. This image, taken by the Hubble…
Making the stuff of science fiction into reality, NASA engineers are testing solar sails-a unique propulsion technology that one day…
Is this one galaxy or two? Astronomer Art Hoag first asked this question when he chanced upon this unusual extragalactic…
The picturesque, but snow-capped volcanoes, composing the Islands of the Four Mountains in Alaska’s Aleutian Island chain look suspiciously like…
Cloudless skies allowed a clear view of dust and hydrogen sulfide plumes along the coast of Namibia in early August…
NASA Goddard’s Lihau Li, left, and Gerry Heymsfield adjusted the High-Altitude Imaging Wind and Rain Profiler prior to its installation…
Technicians at NASA’s Dryden Flight Research Center at Edwards, CA, installed a camera in the nose of one of NASA’s…
This artist’s concept illustrates the two Saturn-sized planets discovered by NASA’s Kepler mission.