Image of the DayThe Crew Mobility Chassis Prototype is NASA's new concept for a lunar truck. Researchers are trying it out at Moses...Astronaut Ron Garan works on assigned tasks during the last scheduled spacewalk of the STS-124 mission specialist. During the six-hour,...One of a series of digital still images documenting the Japanese Experiment Module, or JEM, also called Kibo, in its...Astronaut Mike Fossum continues his duties during this the second of the STS-124 mission's three scheduled spacewalks. During the seven-hour,...Astronaut Ron Garan participated in the first of STS-124's three planned spacewalks as construction and maintenance continue on the International...Astronaut Mike Fossum used a digital camera to create this self-portrait during the STS-124 mission's first scheduled spacewalk. During the...This view of space shuttle Discovery's tail section was taken on flight day 3 by the Expedition 17 crew aboard...During the Gemini 4 mission on June 3, 1965, Ed White became the first American to conduct a spacewalk. The...Above Launch Pad 39A at NASA's Kennedy Space Center, space shuttle Discovery emerges from behind a growing cloud of smoke...North is up (the 12 o'clock position) in this seam-corrected 360 degree polar projection using images from sols, or Martian...Space shuttle Discovery leaps from the billows of smoke below into a clear blue sky on its STS-124 mission to...This approximate color view was obtained on sol, or Martian day, 2 by the Surface Stereo Imager on board the...This image, released on America's Memorial Day, May 26, 2008, shows the American flag and a mini-DVD on the Phoenix's...This image shows a polygonal pattern in the ground near NASA's Phoenix Mars Lander, similar in appearance to icy ground...NASA's Phoenix spacecraft landed in the northern polar region of Mars Sunday, May 25, 2008, to begin three months of...The Phoenix Mars Lander, which launched in August 2007, is the first project in NASA's Mars Scout missions. The mission's...The robotic arm, a vital instrument on NASA's Phoenix Mars Lander, will dig into the icy soil and bring samples...This artist's rendering shows a possible fate for the Phoenix Mars Lander. As winter envelopes the Red Planet, the lander...For many years scientists have known that our sun gives off powerful explosions, known as flares, that contain millions of...This image of the Antennae galaxies is the sharpest yet of this merging pair of galaxies. During the course of...In high bay 3 of the Vehicle Assembly Building at Kennedy Space Center, a crane lowers space shuttle Discovery toward...The Nardo Ring is a striking visual feature from space, and astronauts have photographed it several times. The Ring is...Saturn was 810 million miles (1.3 billion kilometers) away when the Hubble Space Telescope took this ultraviolet image of the...Galaxies don't normally look like NGC 3256, this current picture of which shows two galaxies that are slowly colliding. Quite...Near Launch Pad 39A at NASA's Kennedy Space Center in Florida, the crawler-transporter moves away after carrying space shuttle Discovery...Grady McCoy stands in the Langley Research Center's 16 foot transonic tunnel, as light reflects off the fan blades in...Using the unique orbit of NASA's Spitzer Space Telescope and a depth-perceiving trick called parallax, astronomers have determined the distance...NASA's Phoenix Mars Lander was lowered into a thermal vacuum chamber at Lockheed Martin Space Systems, Denver, in December 2006...Mesas in the Nilosyrtis Mensae region of Mars appear in enhanced color in this image from the High Resolution Imaging...For three days, employees Kennedy Space Center and other NASA centers, along with those from the Department of Defense, participated...One of a series, this image of Saturn was taken when the planet's rings were at their maximum tilt of...This 1997 montage of planetary images was taken by spacecraft managed by NASA's Jet Propulsion Laboratory. Included are (from top...In the Orbiter Processing Facility at NASA's Kennedy Space Center, the Orbiter Transport System gets ready to roll in under...The Uvs Nuur Basin sits on the northern edge of the Central Asian steppes, bounded on all sides by mountains....Once a medieval fortress, Scotland's Edinburgh is nicknamed "Athens of the North." Today, the city preserves landmarks from centuries past,...A DC-8 casts its shadow over the Bering Sea, as it flies over the sea's icy surface in this image...Outside the ground is frozen, quite possibly covered in snow and ice, and yet, stroll through a supermarket in North...NASA's mission has always been to explore, to discover and to understand the world in which we live from the...A giant arachnid sprawls across the arid landscape of western Australia's Kimberley Region of northern Western Australia, surprising satellite sensors...Rhea transits like a serene orb of ice set against the gentle pastel clouds of gas giant Saturn. Rhea is...
