Image of the DayThis artist's conception symbolically represents complex organic molecules, known as polycyclic aromatic hydrocarbons, seen in the early universe. These large...Warm ocean waters fuel hurricanes, and there was plenty of warm water for Katrina to build up strength once she...The Magellan probe that orbited Venus from 1990 to 1994 was able to peer through the thick Venusian clouds and...Launched in the mid-1960s, the Ranger fleet of spacecraft provided live television transmissions of the moon from lunar orbit for...Nearly two weeks after landing in Gusev Crater, the Mars Exploration Rover Spirit has rolled off of its lander and...This close-up view of the X-38 crew return vehicle under the wing of NASA's B-52 mothership prior to launch of...The four principal HL-10 pilots are seen here with the lifting body aircraft. From left to right, they are Air...Awkward and angular looking, Apollo 17's lunar module Challenger was designed for flight in the vacuum of space. This picture,...In this 3-D perspective view looking north over Death Valley, California, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER),...This false color image of Saturn's moon Mimas reveals variation in the composition and texture across its surface. During its...NASA's Spitzer Space Telescope captured a glowing stellar nursery within a dark globule that reveals the birth of new protostars,...This artist's concept shows a massive asteroid belt in orbit around a star the same age and size as our...Russian technicians work on the Zvezda Service Module shortly after it completed a pressurization test on Sept. 12 1997. The...This 1958 scale model shows the Mercury capsule shape B design, indicating the position of the astronaut.In 1966, technicians prepared to work on a solar mirror located in the Solar Collector Laboratory at the Lewis Research...NASA was created on Oct. 1, 1958, to perform civilian research related to space flight and aeronautics. President Dwight D....Inside the Spacelab Science Module, the crews of STS-71, Mir-18 and Mir-19 pose for the traditional inflight picture. An important...Colors indicate infrared emission signatures in this mosaic from NASA's Mars Odyssey orbiter, showing a region of troughs named Nili...This prominent circular feature in the Sahara desert of Mauritania has attracted attention since the earliest space missions because it...This artist's concept illustrates what the night sky might look like from a hypothetical alien planet in a star system...This vibrant image from NASA's Spitzer Space Telescope shows the Large Magellanic Cloud, a satellite galaxy to our own Milky...To prepare for the Apollo landings, five Lunar Orbiter spacecraft were launched during 1966 and 1967 to gather detailed images...European Space Agency (ESA) astronaut Christer Fuglesang, STS-116 mission specialist, participates in the mission's second of three planned sessions of...This montage of images taken by the Voyager spacecraft of the planets and four of Jupiter's moons is set against...Fish-eye view of the Space Shuttle Atlantis as seen from the Russian Mir space station during the STS-71 mission.This mass of storm clouds was observed by Expedition 1 from the International Space Station. The picture was the first...Named by the Romans after the fleet-footed messenger of the gods, the planet Mercury is closest to the sun. Seen...In the first spacewalk of the STS-118 mission, astronaut Rick Mastracchio and the Canadian Space Agency's Dave Williams (out of...STS-116 Mission Specialists Robert L. Curbeam, Jr. (left) and Christer Fuglesang participate in the first of the mission's three planned...This image of Space Shuttle Discovery's tail section was photographed by the Expedition 14 crew during the RPM survey. Visible...Phoebe's true nature is revealed in startling clarity in this mosaic of two images taken during Cassini's flyby on June...On Dec. 19, 1972, the Apollo 17 crew returned to Earth. Apollo 17 was the sixth and last Apollo mission...Cassini zooms in, for the first time, on the patchy, bright and dark mountains originally identified in images from NASA's...As MESSENGER neared Mercury on Jan 14, 2008, the spacecraft took this image of the planet's full crescent. The image...Astronaut Dave Williams participated in the STS-118 mission's fourth and final session spacewalk, as construction and maintenance continued on the...Space Shuttle Discovery and its crew of seven astronauts lift off from NASA's Kennedy Space Center, beginning the STS-116 mission...As seen through windows on the aft flight deck of Space Shuttle Discovery, the payload bay is featured in this...The New Horizons Long Range Reconnaissance Imager (LORRI) took this 2-millisecond exposure of Jupiter at 04:41:04 UTC on Jan. 24,...On February 19, 2000, Space Shuttle Endeavour passed over the highly active and dangerous volcanic zone of the Andes in...Water leaves its mark on the land, cutting channels and canyons where rivers flowed and leaving depressions where lakes once...
