The Dawn probe, managed by NASA's Jet Propulsion Laboratory but part of an international cooperative, reached Vesta
When John Glenn celebrated his birthday earlier this month, NASA rereleased this photograph of the now-90-year-old astronaut
"Imagine being in the most severe thunderstorm you've been in, where it's really dark and ominous-looking. Then make it darker."
This photograph, from a series by fine artist Caren Alpert, shows multi-colored cake sprinkles at an extreme level of magnification
Hours after landing at NASA's Kennedy Space Center last week, Space Shuttle Atlantis was moved off of the runway for the final time
Located in the Noachis quadrangle of Mars, the Proctor Crater is nearly 170 km in diameter and is covered in dark, complex dunes
Shot on a sand dune near Christmas Lake, Oregon, this photograph was a test shot for NASA's Mars Hand Lens Imager (MAHLI)
Photographed here in high-resolution by the Hubble Telescope, Pismis 24 is about 8,000 light-years from Earth in a nebula in Scorpius
NASA Kennedy Space Center work Dwayne Hutcheson sweeps the lobby where corn bread and beans were served after Atlantis took flight
Researchers periodically test materials sitting outside of the Space Station to measure the effects of radiation and atomic oxygen
The recently discovered deposit contains nearly 30 times more carbon dioxide than scientists previously though to be buried in the area
Taking its name from the white paint, the White Room has been used by NASA since the Project Gemini flights of 1965 and 1966
Commander Chris Ferguson and pilot Doug Hurley practiced touch-and-go landings at the Kennedy Space Center's Shuttle Landing Facility
In the background, Atlantis is seen as workers prepare it for its final liftoff, the last of the long-running Space Shuttle program
Taken back in April 2011 by the Cassini spacecraft, this photograph shows Rhea, Enceladus and Dione illuminated from above
The sun rising over the Atlantic Ocean illuminates the Shuttle's solid rocket boosters and external fuel tank as it waits for liftoff
Saturn's second-largest moon appears tiny in this photo of occultation, the event in which a distant object is covered by a larger body
A prominent impact crater on the moon's southern highlands, Tycho, named for the Danish astronomer, measures 51 miles across
This hemispheric image was created by combining ten years of radar investigations and centering them over the planet's North Pole
Reflected in the telescope's primary mirror is the NASA logo painted on the outside of a building at the Dryden Aircraft Operations Facility