Space Exploration


Facts and Figures The biggest, farthest and fastest in the...
Explorations of Minor Bodies When Comet Halley last passed through the inner...
Explorations of Outer Planets Pioneer 10 and 11 blazed the trail to the outer...
Explorations of the Inner Solar System The Soviet Union's Luna 3 solved an ancient...
Ongoing Explorations Find out about scheduled missions to our solar...

Radio Programs

Going Long Getting to the stars in a hurry Tuesday, December 29, 2015
Going Small Small plans for space exploration Monday, December 28, 2015
Morning Trio The first look at a hidden landscape Thursday, October 22, 2015
Gemini 5 Powering up for a trip to space Sunday, August 23, 2015
Mariner 4 Getting the first good look at Mars Monday, July 13, 2015
Moon and Venus Losing our eyes and ears on Venus Friday, June 19, 2015
Gemini 4 Floating into the history books Wednesday, June 3, 2015
The Next Phase 99 days to Pluto Monday, April 6, 2015
Small Steps Small steps in the exploration of space Wednesday, March 18, 2015
Canopus III Navigating by a bright star Tuesday, February 24, 2015
Huygens Parachuting through alien skies Wednesday, January 14, 2015
Moon and Jupiter Closing in on two dwarf planets Wednesday, January 7, 2015
Moon and Mars Jet lag after a long trip Tuesday, November 25, 2014
Morning Mercury Getting closer to a little planet Thursday, October 30, 2014
Close to Mars II Hiding behind the Red Planet Friday, October 17, 2014
Moon and Jupiter Traveling to a deadly planet Wednesday, October 15, 2014
Close to the End A Venus-watching spacecraft nears its end Monday, October 13, 2014
MAVEN Probing Mars’s escaping atmosphere Sunday, September 21, 2014
The Next Wave A new wave of explorers at Mars Tuesday, September 16, 2014
Mars at Opposition III The hazards of living on Mars Wednesday, April 9, 2014
Moon and Jupiter Winging through the skies of Jupiter Sunday, April 6, 2014
Stepping Stone A long trip to nowhere Friday, April 4, 2014
To the Stars A tall ship and a star to sail her by Thursday, April 3, 2014
Fermi’s Paradox Where are all the little green men? Wednesday, April 2, 2014
Canopus Navigating by a special star Monday, January 20, 2014
Moon and Companions Growing fresh veggies on the Moon Monday, November 25, 2013
More Moon and Jupiter Wrapping a spacecraft in plastic Friday, October 25, 2013
Mars on Earth Looking for Mars on Earth Wednesday, October 9, 2013
Juno at Earth Getting a boost from home Tuesday, October 8, 2013
Journey’s End A long journey comes to an end Saturday, September 21, 2013
Moon and Venus An unforgiving environment Friday, August 9, 2013
Tardigrades Water bears in space Wednesday, July 31, 2013
Orbital Menagerie An entire zoo of space travelers Tuesday, July 30, 2013
Spinning in Orbit Spinning around the Earth Monday, July 29, 2013
Breaking Ground A “seagull” takes flight Sunday, June 16, 2013
Faith 7 The end of a space-age singles act Thursday, May 16, 2013
Skylab High-flying eyes on the Sun Tuesday, May 14, 2013
Storm Probes Plunging into the danger zone Thursday, December 20, 2012
Mariner 2 Pioneering a path to another world Thursday, December 13, 2012
Moon and Venus Long pauses in long-distance calls Thursday, October 11, 2012
Moon and Mars Prime real estate on other worlds Wednesday, September 19, 2012
OSIRIS-Rex Studying a threatening space rock Sunday, August 26, 2012
Dawn III Speeding toward a new target Friday, August 24, 2012
Voyagers Beginning a voyage to the stars Monday, August 20, 2012
Sky Crane A complicated landing for a complicated rover Sunday, August 5, 2012
Martian Nuke Powering up a Mars rover Saturday, August 4, 2012
Looking for ET Looking for signs of alien visitors Thursday, April 19, 2012
Warp Drive Engaging the warp drive Wednesday, April 18, 2012
New Ideas New ideas for exploring the universe Tuesday, April 17, 2012
Friendship 7 Getting back in the Space Race Monday, February 20, 2012
Moon and Mars Historic monuments on another world Thursday, February 9, 2012
Moon and Venus A skin-deep planetary beauty Saturday, November 26, 2011
Mars Science Laboratory III Protecting Mars from alien invaders Thursday, November 24, 2011
More Moon and Companions Settling in on a new world Friday, November 18, 2011
Phobos-Grunt DNA testing for a Martian moon Friday, November 4, 2011
Back in the Game? Staging a return to deep space Thursday, November 3, 2011
NEEMO Diving toward an asteroid Monday, October 17, 2011
Planning Ahead Planning for a trip to the stars Saturday, October 1, 2011
Juno Looking into the heart of a giant Monday, August 1, 2011
Apollo 15, Part II Putting Galileo to the test Sunday, July 31, 2011
Apollo 15 Checking out a beautiful landscape Saturday, July 30, 2011
Moon and Mars Looking for Mars-on-Earth Tuesday, July 26, 2011
Evening Mercury A hot planet in the evening sky Monday, July 18, 2011
Moon and Mars Greening up the Red Planet Monday, June 27, 2011
Freedom 7 A brief hop into the history books Thursday, May 5, 2011
Space Day A double reason to celebrate Tuesday, April 12, 2011
Halley's Armada An armada takes aim at Halley's Comet Saturday, March 5, 2011
Lunar Guidance Following a guiding star Sunday, February 13, 2011
NEAR Encounter A close encounter with an asteroid Saturday, February 12, 2011

Featured Images

First Eyes on Mars Monday, July 13, 2015
Artist's concept of New Horizons passing by Pluto
First Encounter Thursday, July 9, 2015
Stepping Out Wednesday, June 3, 2015
The Messenger spacecraft's final image of the surface of Mercury
The End Thursday, April 30, 2015
Canopus, the second-brightest star in the night sky, from the space station
Stellar Beacon Tuesday, February 24, 2015
India's Mars Orbiter Mission
On Target Again Wednesday, September 24, 2014
Artist's concept of MAVEN orbiting MARS
On Target Saturday, September 20, 2014
August 6, 2014, view of Comet Churyumov-Gerasimenko by Rosetta
Getting Closer Thursday, August 7, 2014
Ranger 7 images of the Moon, July 31, 1964
Success at Last Thursday, July 31, 2014
Artist's concept of a solar sail
Sailing Along Thursday, April 3, 2014
Mariner 10 at Mercury
First Encounter Saturday, March 29, 2014
Artist's concept of a Mars Exploration Rover landing on Mars in 2004
Follow the Bouncing Rover Saturday, January 4, 2014
Almost Ready Monday, November 18, 2013
Artist's concept of MAVEN Mars orbiter
Mars Maven Sunday, November 17, 2013
Galileo enters Jupiter's atmosphere
Fiery Farewell Saturday, September 21, 2013
Space-faring spider Arabella spins her first web in orbit, 1973
Spiders in Space Monday, July 29, 2013
Artist's concept of Mariner 2 flying past Venus, December 14, 1962
First Encounter Thursday, December 13, 2012
Apollo 17 astronaut Gene Cernan drives his lunar rover
End of the Road Monday, December 10, 2012
A Voyager spacecraft and the cover of a record of Earth sights and sounds
Words From Home Monday, August 20, 2012
Skycrane lowers Mars Science Laboratory to the Martian surface
Rube Goldberg Meets Mars Sunday, August 5, 2012
Artist's concept of Mars Science Laboratory approaching the Red Planet
Final Approach Friday, August 3, 2012
Space shuttle Discovery flies above Washington, DC, April 17, 2012
Last Stop Thursday, April 19, 2012
The Russian Phobos-Grunt Mars mission launches on November 8, 2011
Phobos Flop? Friday, November 11, 2011
The moon Phobos floats above Mars
Martian Target Thursday, November 3, 2011
An aquanaut practices space exploration techniques underwater
Diving into the Future Monday, October 17, 2011
Atlantis launches on the final space shuttle mission, July 8, 2011
Last Call Friday, July 8, 2011
Launches of Vostok 1, STS-1 (space shuttle Columbia)
Double Date Tuesday, April 12, 2011
MIT professor Dava Newman models a new type of space suit
Dressed for Success (in Space) Wednesday, September 15, 2010


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