Space NPR coverage of space exploration, space shuttle missions, news from NASA, private space exploration, satellite technology, and new discoveries in astronomy and astrophysics.

Buzz Aldrin Wants People To Be Living On Mars In 24 Years

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Heyn, in action in Baltimore's Fells Point with that night's feature attraction: Jupiter's moons. Kevin and Sonia McCarthy/Courtesy of Herman Heyn hide caption

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Kevin and Sonia McCarthy/Courtesy of Herman Heyn

Stargazing From The Street Corner, Telescope And Hat In Hand

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Dwarf planet Ceres is seen in the asteroid belt between Mars and Jupiter, where it resides well away from Earth. NASA is hoping to quell online rumors that a massive near-Earth asteroid is due to hit us next month. NASA/Reuters/Landov hide caption

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NASA/Reuters/Landov

Preventing Armageddon: The Economic Hurdles Of Asteroid Defense

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Scientists Develop App To Turn Smartphones Into Cosmic Ray Detectors

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U.S. Grants Patent For Free-Standing Space Elevator Tower

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An artistic conception of the Jupiter-like exoplanet, 51 Eridani b, seen in the near-infrared light that shows the hot layers deep in its atmosphere glowing through clouds. Danielle Futselaar & Franck Marchis, SETI Institute hide caption

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Danielle Futselaar & Franck Marchis, SETI Institute

Perseid Meteor Shower Excites Skywatchers

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Perseid Meteor Shower To Reach Its Peak Tonight

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A new study shows energy output from 200,000 galaxies is half what it was billions of years ago. It's further evidence the universe is slowly declining. This undated NASA Hubble Space Telescope image shows the spiral galaxy NGC 1512 captured in all wavelengths from ultraviolet to infrared. Kevin Dietsch/UPI/Landov hide caption

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Kevin Dietsch/UPI/Landov

It took astronauts 33 days to grow enough red romaine lettuce to make a small salad. NASA hide caption

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NASA

This Salad Is Outta This World: Astronauts Eat Greens Grown In Space

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Astronauts To Enjoy First Space-Grown Lettuce Aboard International Space Station

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