Image of the DayAstronaut Michael E. Fossum, an STS-121 mission specialist, participates in the mission's second extravehicular activity. During the more than six-hour...Two NASA employees stand in front of Intelsat IV in its sound-absorbing, or anechoic, chamber in this 1972 photo. Intelsat,...NASA's Mars Global Surveyor spacecraft has snapped its 200,000th image of the red planet since entering orbit in September 1997....Researchers at NASA's Langley Research Center conduct studies in 1964 to determine the types of difficulties astronauts might encounter on...This computer generated image depicts a view of Earth as seen from the surface of the asteroid Toutatis on Nov....This view of Tibet's Brahmaputra River was taken on Oct. 13, 2000, by the Expedition 3 crew. This Asian river...The Cassini spacecraft captured this spectacular view of a landslide on Saturn's moon, Iapetus. Landslides are common geological phenomena on...These are some of the first pictures returned by the European Space Agency's Huygens probe during its successful descent and...STS-121 mission specialist Piers J. Sellers, wearing a training version of the space suit used for extravehicular activity (EVA), participates...Twenty million years ago ocean covered the area where Panama is today, creating a gap between the continents of North...Astronaut Charles Conrad Jr., commander of the first manned Skylab mission, goes through a checklist of experiment activity during Skylab...This Cassini image is a color map of the composition of a portion of Saturn's moon Hyperion. In this map,...This artist's concept depicts a distant hypothetical solar system, similar in age to our own. Looking inward from the system's...Eerie, dramatic pictures from the Hubble telescope show newborn stars emerging from "eggs" - not the barnyard variety - but...Rhea is the second largest moon of Saturn, behind Titan, and the largest without an atmosphere. It is composed mostly...In this 1966 photo, a plasma thruster at NASA's Lewis Research Center simulates Van Allen Belts, rings of radiation around...Expedition 14 flight engineer Suni Williams uses a digital still camera to expose a photo of her helmet visor during...In this 1980 photograph, an engineer at the Marshall Space Flight Center holding a replica of the proposed Liquid Booster...Landing and recovery officials conduct post-landing medical checks on spaceflight participant Charles Simonyi, Expedition 14 flight engineer Mikhail Tyurin and...Palm Island Resort, Dubai, United Arab Emirates, is featured in this image photographed by Expedition 10 Commander Leroy Chiao from...On July 4, 1997, Americans got more than a fireworks show, with NASA's first successful trip back to the surface...Expedition 14 Commander Michael Lopez-Alegria, Flight Engineer Mikhail Tyurin and Spaceflight Participant Charles Simonyi landed safely southwest of Karaganda, Kazakhstan...The Hubble Space Telescope has captured the most detailed images to date of the open star clusters NGC 265 (top)...A NASA satellite has captured the first occurrence of mysterious shiny polar clouds that form 50 miles above Earth's surface....NASA's International Sun-Earth Explorer C (ISEE C) was undergoing testing and evaluation inside Goddard's dynamic test chamber when this photo...NASA's Hubble Space Telescope captured this "true color" mosaic of a small portion of the Orion Nebula, taken the Wide...A trio of astronauts from the Return to Flight crew train for their flight by floating in NASA's famed KC-135...This artist's concept illustrates the two types of spiral galaxies that populate our universe: those with plump middles, or central...As it rockets toward its July 1 entry into Saturn's orbit, NASA's Cassini-Huygens spacecraft is capturing some stunning views of...A Saturn V rocket streaks toward space on the night of December 17, 1972, carrying the Apollo 17 crew, the...Two spots of snow cover the peaks of Mauna Loa and Mauna Kea on the main island of Hawaii in...Intricate wisps of glowing gas float amid a myriad of stars in this image created by combining data from NASA's...The shadow of the moon falls on Earth as seen from the International Space Station, 230 miles above the planet,...The Seven Sisters, also known as the Pleiades, seem to float on a bed of feathers in a new infrared...STS-120 mission specialist Doug Wheelock participated in the third scheduled spacewalk as construction continued on the International Space Station. During...Astronaut Jim Reilly, an STS-117 mission specialist, participated in the mission's first planned session of extravehicular activity (EVA), as construction...Fifty years ago today on Oct. 4, 1957, the Soviet Union launched Sputnik, humanity's first artificial satellite, thereby ushering in...This specially processed composite view reveals a tremendous amount of structure in the northern polar atmosphere of Titan. The hazes...Just 10 days after a major earthquake struck the region and left roughly 340,000 people homeless, Mount Merapi erupted, on...This photograph from 1966 shows the Zero Gravity Facility at Lewis Research Center, now known as John H. Glenn Research...
