Image of the DayExpedition 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...This 1987 image shows scientists testing a model aircraft in the Langley Research Center's Spin Tunnel. Some aircraft use parachutes...NASA's Mars Exploration Rover Opportunity has found an iron meteorite on Mars, the first meteorite of any type ever identified...NASA's Cassini spacecraft took this true color mosaic of Jupiter, the most detailed global color portrait of the planet ever...With a fiery liftoff, Space Shuttle Atlantis roars off the launch pad for a rendezvous with the International Space Station...The Aleutian Islands and the Alaskan peninsula are shown in this image acquired by the MODIS on the Terra satellite,...This artist's concept depicts a pulsar, which is a type of dead star, as well as the surrounding disk of...Launched on Dec. 2, 2005, SOHO observes the sun's deep interior and also its interactions all the way out to...Technician Durwood Dereng prepares to pull the external-power plug from an E17 drag-research model at NASA's Wallops Flight Facility on...In this, the first extravehicular activity, or spacewalk, of the STS-116 mission, astronaut Robert L. Curbeam, Jr. participates in activities...These side-by-side false-color images show Saturn's heat emission. The data were taken on Feb. 4, 2004, from the W. M....NASA's Phoenix Mars Lander monitors the atmosphere overhead and reaches out to the soil below in this artist's depiction of...The Cassini team got this stunning false color image of Saturn's rings using a technique called "stellar occultation." In simple...Astronaut Sunita L. Williams, Expedition 14 flight engineer, used a pistol grip tool as she worked on the International Space...This false-color composite image of the Stephan's Quintet galaxy cluster clearly shows one of the largest shock waves ever seen...Approximately 100 million years ago, a smaller galaxy plunged through the heart of the Cartwheel galaxy, creating ripples of brief...This 1958 photograph shows test pilot Joseph Walker in a pressure suit beside the X-1E at the NASA High-Speed Flight...
