Image of the DayThis color image, taken on May 1, 2013 by the Wide Angle Camera (WAC) instrument aboard NASA's MESSENGER spacecraft orbiting...A 1964 photo shows the Lunar Landing Research Vehicle (LLRV), affectionately dubbed the "flying bedstead" in flight at Edwards Air...The Saturn moons Mimas and Pandora appear together in this image taken by the narrow-angle camera aboard NASA's Cassini spacecraft...In early April 2013, clouds stretched in parallel rows for hundreds of kilometers over the Bering Sea. The Moderate Resolution...On May 25, 1961, President John F. Kennedy announced the goal of sending astronauts to the moon before the end...This striking cosmic whirl is the center of galaxy NGC 524, located in the constellation of Pisces, some 90 million...Within the White Room atop the gantry on Launch Complex 39 Pad A, the Apollo 11 astronauts egress from the...NASA's Mars Science Laboratory rover Curiosity appears as a bluish dot near the lower right corner of this enhanced-color view...The American flag heralded the launch of Apollo 11, the first Lunar landing mission, on July 16, 1969. The massive...In this rare image taken on July 19, 2013, the wide-angle camera on NASA's Cassini spacecraft has captured Saturn's rings...From the vantage point of the International Space Station, astronauts frequently observe atmospheric and surface phenomena in ways that are...Former President Lyndon B. Johnson and then-current Vice President Spiro Agnew are among the spectators at the launch of Apollo...Among a crowd of face- and edge-on spiral, elliptical, and irregular galaxies, lies NGC 4866, a lenticular galaxy situated about...In the transfer aisle of the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida, a crane operator lifts...The far side of the Moon is rough and filled with craters. By comparison, the near side of the Moon,...NASA astronaut Chris Cassidy, Expedition 36 flight engineer, participates in a session of extravehicular activity (EVA) as work continues on...A very anomalous weather pattern is in place over the U.S. for mid-July. Trapped between an upper level ridge centered...The waters off Iceland rank among the world’s most productive fisheries. The reason for the abundance is an ample supply...This star, once like our sun, is now just a cloud of ionized gas being pushed out into space by...In this image taken by the GOES-West satellite at 8 a.m. EDT on July 10, 2013, Chantal's satellite presentation has...The lower slopes of Mount Sharp appear at the top of this image taken by the right Navigation Camera (Navcam)...This astronaut photograph acquired on June 22, 2013 provides a panoramic view of most of the length of the Red...One of the Expedition 36 crew members aboard the International Space Station used a 50mm lens to record this image...As commander of Apollo 11, Neil Armstrong took most of the photographs from the historic moonwalk, but this rare shot...Astronaut and Lunar Module pilot Buzz Aldrin is pictured during the Apollo 11 extravehicular activity on the moon. He had...Two NASA sounding rockets launched on July 4, 2013, in support of the Daytime Dynamo experiment, a joint project between...This is the spiral galaxy NGC 3185, located some 80 million light-years away from us in the constellation of Leo...Mars Pathfinder was launched on December 4, 1996 at 1:58:07 am EST on a Delta II rocket. After an uneventful...NASA astronaut Reid Wiseman, Expedition 40/41 flight engineer, participates in a spacewalk training session on May 14, 2013.This image from NASA's Galaxy Evolution Explorer shows NGC 6744, one of the galaxies most similar to our Milky Way...The Apollo 11 crew await pickup by a helicopter from the USS Hornet, prime recovery ship for the historic lunar...NASA and Manned Spacecraft Center (MSC) officials joined with flight controllers to celebrate the successful conclusion of the Apollo 11...An Orbital Sciences L-1011 carrier aircraft takes off from Vandenberg Air Force Base, Calif., on a mission to launch NASA's...The Orbital Sciences L-1011 aircraft takes off from Vandenberg Air Force Base in California at 9:30 p.m. EDT on June...One of the Expedition 36 crew members aboard the International Space Station, some 240 miles above Earth, used a 50mm...Technicians and engineers at Vandenberg Air Force Base in California mate the Pegasus XL rocket with the Interface Region Imaging...Within the Mobile Quarantine Facility, Apollo 11 astronauts (left to right) Michael Collins, Edwin E. Aldrin Jr. and Neil A....NASA astronauts Cady Coleman and Ricky Arnold step into the Orion crew module hatch during a series of spacesuit check...Apollo 8, the first manned mission to the moon, entered lunar orbit on Christmas Eve, Dec. 24, 1968. That evening,...A supermoon rises behind the Washington Monument, Sunday, June 23, 2013, in Washington.