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  Were you moonstruck?
On Saturday some were treated to a so-called Super Moon – a rare full moon that occurs when the moon’s orbit is closest to the Earth. NBC’s Charles Hadlock reports.
  John Glenn through the years
From his accomplishments as a Marine Corps pilot, through his tenure with NASA and his foray into politics, take a look at the life of John Glenn, 50 years after the historic 1962 flight that made him the first American in space.
  Year in Space 2011
Click through the best cosmic images of 2011, ranging from a mock Marswalk to galaxies aglow.
  Final countdown for Atlantis
Click through highlights from the space shuttle Atlantis' quarter-century of spaceflight.
  Shuttle Endeavour, this is your life
Click through highlights from the space shuttle Endeavour's 19 years of service.
  Discovery's last launch
Click through highlights from the shuttle Discovery's final space mission and other cosmic imagery from February 2011.
  Marvels from Mercury
NASA's Messenger mission delivers the first pictures ever taken by a spacecraft orbiting the solar system's innermost planet.
  See the world from the space station
Click through some of the more than 450,000 photographs taken by astronauts on the International Space Station.
  A rare spectacle on Saturn
Click through scenes of Saturn and its rings, captured by the Cassini orbiter during the planet's first equinox in nearly 15 years.
  50 years of moon shots
Up-close exploration of the moon, Earth's only natural satellite, began in 1959 and hasn't stopped. Take a look at scenes from 50 years of moon exploration.





  See the universe
Postcards from Jupiter
NASA's New Horizons probe sends back snapshots of Jupiter and its moons, taken during a flyby.
NASA via AP
  Earth from space
An Earth Day selection of highlights from four decades of pictures taken by astronauts.
  Piles of 'Pillars'
See the famous "Pillars of Creation" in a new light.
NASA / JPL / Space Science Institute
  Saturn Stunners
The greatest hits from the Cassini mission.
Image: Cassini picture
  Celebrating Saturn
More images mark the 10th anniversary of the Cassini orbiter’s launch to Saturn.
  Saturn's striped moon
Images of Saturn's moon, Enceladus, as captured by Cassini.
NASA / JPL / Cornell
  Two years on Mars
Greatest hits from NASA's twin rovers
NASA / JPL / MSSS via Science
  A changing Mars
Mars Global Surveyor spots fresh deposits in gullies and other signs of a dynamic Red Planet.
This Hubble image of the Antennae galaxies is the sharpest yet of this merging pair of galaxies
NASA / ESA / STSI via Reuters
  Classic Hubble Hits
See the Hubble Space Telescope's best-known images.
AURA / STSCI / NASA
  Mars' greatest hits
See two decades' worth of Red Planet images.
  Jewels of Jupiter
See images of Jupiter and its moons.
Image: SpaceShipTwo
  Visions of flight
Get an inside look at the conception and construction of Virgin Galactic's SpaceShipTwo.
NASA Unveils Design Recommendations For Next Generation Spacecraft
NASA via Getty Images
  Back to the moon
NASA lays out its step-by-step plan to return to the moon by 2020.
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Highlights of space flight
NBC News' Brian Williams reports on the greatest moments and most powerful images of the original space race.
  Eclipse images
Image: Total solar eclipse
AP
  Greatest eclipse hits
See stunning images from past solar eclipses going back to the 1920s.
Image: Thai school children look at a partial solar eclipse through filters
AP
  Asia’s ring of fire
Jan. 26, 2009: Click through highlights from an annular solar eclipse visible from Asia.
Image: Solar eclipse
AP
  Eyes on the eclipse
Aug. 1, 2008: Scenes from the solar eclipse that swept from Canada to China.
Sun reflected on flower as moon blocks it, as seen in Amman
Reuters
  There goes the sun
March 29, 2006: Solar eclipse offers spectacular show across world.
  Space history
ooking Back: The Mercury 7 NASA introduced the Project Mercury Astronauts to the world on April 9, 1959, only six months after the agency was established. Known as the Mercury 7 or Original 7, they are: front row, left to right, Walter H. "Wally" Schirra, Jr., Donald K. "Deke" Slayton, John H. Glenn, Jr., and Scott Carpenter; back row, Alan B. Shepard, Jr., Virgil I. "Gus" Grissom, and L. Gordon Cooper.
NASA
10 firsts from NASA
Milestones from the space agency's first 50 years.
NASA
Sputnik scenes
The machines and people behind the birth of the space age.
NASA's highs and lows
Trace the triumphs and tragedies of U.S. human spaceflight.
NASA
  'We choose to go to the moon’
1959-1969: Retrace the steps that preceded Apollo 11
NASA
  ‘One giant leap for mankind’
July 1969: Apollo 11 and the first lunar landing
NASA
  'We leave as we came'
1969 and beyond: Our path in space since Apollo 11
Walter Schirra
Getty Images
  Heights of fame
Revisit the high points in the career of pioneer astronaut Wally Schirra (1923-2007).
  2005: Discovery’s return to flight
DISCOVERY
AP
  The road to flight
NASA’s long journey to fly the shuttle again.
NASA Returns To Flight With Launch of Space Shuttle Discovery
Getty Images
  We have liftoff!
Relive the launch of space shuttle Discovery
SPACE SHUTTLE DISCOVERY  NOGUCHI
NASA TV via AP
  History-making spacewalk
Discovery astronaut makes unprecedented fix
Discovery Astronauts Continue Mission Tasks
NASA via Getty Images
  Back in space
Highlights from Discovery's 14-day mission
Kennedy Space Center worker reacts to safe return of space shuttle Discovery in Cape Canaveral
Reuters
  Safe landing
Discovery and its crew welcomed back home

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