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Radio Programs

Mars on Earth Getting ready for Mars February 27, 2016

More Plutonium Powering up trips to deep space February 25, 2016

Moon and Jupiter Dropping in on Jupiter December 30, 2015

Going Small Small plans for space exploration December 28, 2015

Meeting in Space A meet-and-greet in space December 15, 2015

John Dobson Bringing telescopes to the masses September 13, 2015

First Professor Ready for the first day of class September 1, 2015

Gemini 5 Powering up for a trip to space August 22, 2015

Stellar Tourism Visiting an observatory by stagecoach August 15, 2015

More Charles Townes Shining a new light on the universe July 28, 2015

Charles Townes Dreaming up a laser beam July 27, 2015

Gemini 4 Floating into the history books June 2, 2015

Fresh Ideas Looking for fresh ideas July 2, 2014

Pitching Ideas Pitching ideas for new missions July 1, 2014

Rebuilding Rebuilding astronomical history June 4, 2014

Clark Telescopes Celebrating some astronomical masterpieces June 3, 2014

Annie Jump Cannon II Classifying the stars December 10, 2013

Annie Jump Cannon A rare astronomical opportunity December 9, 2013

Pickering’s Harem Pioneering at 25 cents an hour December 8, 2013

Journey’s End A long journey comes to an end September 20, 2013

On Station II Brilliant targets for the space station June 24, 2013

On Station New “eyes” for the space station June 23, 2013

Making Mirrors Making the hearts of giant telescopes May 14, 2012

Giant Magellan Telescope A new “giant” eye on the universe May 13, 2012

Moon and Taurus Snapping the universe -- from the Moon April 22, 2012

Apollo 16 Fun and science on the lunar surface April 20, 2012

Mars Science Laboratory III Protecting Mars from alien invaders November 23, 2011

Mikhail Lomonosov The man who discovered an atmosphere November 18, 2011

NEEMO Diving toward an asteroid October 16, 2011

Robert Trumpler Filling the space between the stars October 1, 2011

Planning Ahead Planning for a trip to the stars September 30, 2011

Kepler III Two ways to find planets August 26, 2011

Kepler II Winnowing a list of possible planets August 25, 2011

Kepler I Watching for some stars to blink August 24, 2011

Moon and Mars Roving across the Red Planet August 23, 2011

Changing Addresses Peering into a hidden planet August 20, 2011

Moon and Jupiter Young, vigorous star systems August 18, 2011

Yerkes Telescope A new career for a pioneering telescope August 17, 2011

Star Organizer Getting the stars organized August 14, 2011

Moon and Saturn "Listening" for distant worlds... August 2, 2011

The Art of Science Impressions of a space program May 29, 2011

Clean Mirrors Keeping a clear view of the heavens May 10, 2011

Featured Images

Stepping Out June 3, 2015

View of the underground Soudan Laboratory

Underground Astronomy January 26, 2015

Annie Jump Cannon

Astronomical Pioneer December 10, 2013

Female "computers" at Harvard College Observatory

Data Processing Center December 9, 2013

Galileo enters Jupiter's atmosphere

Fiery Farewell September 21, 2013

An ultraviolet camera gazes skyward from the Moon during the Apollo 16 mission

Looking Up April 23, 2012

2011 image of the Apollo 12 landing site, from Lunar Reconnaissance Orbiter

Still Standing September 9, 2011

Yerkes Observatory in Wisconsin is home to the world's largest refractor

Still Going August 18, 2011

Panoramic view of Endeavour crater on Mars, imaged by the Opportunity rover

Final Destination August 11, 2011

International Space Station viewed from space shuttle Atlantis, July 19, 2011

Last Look August 3, 2011

Atlantis lands on July 21, 2011, ending the space shuttle program

That's All, Folks! July 22, 2011

Dawn's first view of Vesta after entering orbit, July 2011

Settling In July 18, 2011

Dawn spacecraft view of asteroid Vesta shortly before entering orbit

First Stop July 15, 2011

Atlantis launches on the final space shuttle mission, July 8, 2011

Last Call July 8, 2011

Dust coats the spacesuit of Apollo 17 astronaut Gene Cernan

Dirty Moonwalker June 22, 2011

NGC 3758, a system of two merging galaxies

Double Trouble June 11, 2011

A painting by Andrew Wyeth depicts preparations for a Gemini launch in the 1960s

Ready for Liftoff May 30, 2011

Alpha Magnetic Spectrometer-2 attached to the International Space Station

On Duty May 23, 2011