Scientists say a brief burst of radio activity has been detected at the Arecibo radio telescope in Puerto Rico. This new report resembles previous activity detected in Australia, which has scientist debating possible causes, including solar flares, blitzars, or something even more mysterious. Brian Negin/iStockphoto hide caption

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Close Encounters Of The Radio Kind? Mystery Bursts Baffle Astronomers
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It took 101 takes to get the right shot for Gideon Gidori's Kickstarter video. He hopes supporters will fund his flight school tuition in exchange for a secret potato salad recipe. via Kickstarter hide caption

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Rosetta Spacecraft Readies For Rendezvous With Comet
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During the Apollo 12 mission, astronaut Alan Bean holds a container of lunar soil. The astronaut Charles "Pete" Conrad, who took the photograph, is reflected in Bean's faceshield. Bean says he used to think that in his lifetime, we'd build a base on the moon and start preparing to travel to Mars. Hulton Archive/Getty Images hide caption

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Astronaut Who Walked On The Moon: 'It Was Science Fiction To Us'
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People Share Moon Landing Memories On YouTube Channel
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The solar panels of the International Space Station (ISS) are just one example of the many kinds of fragile scientific instruments that require inventive packing and deployment tricks. NASA hide caption

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To Make A Spacecraft That Folds And Unfolds, Try Origami
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Physicists put diamonds at the center of this massive laser, to see what would happen. Matt Swisher/Matt Swisher/LLNL hide caption

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Physicists Crush Diamonds With Giant Laser
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An artist's concept shows the New Horizons spacecraft as it approaches Pluto and its largest moon, Charon, in July 2015. Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute hide caption

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Mark Your Calendars: In A Year, We'll Arrive At Pluto
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The moon appeared bigger and brighter when it went supermoon on June 23, 2013 — especially when it was seen next to objects on the horizon, such as the helicopter from the original Batman television show at the New Jersey State Fair last year. Julio Cortez/AP hide caption

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