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Science History
The Astronomer Who Brought the Cosmos Closer to Us
Celebrating 90 years since the birth of Carl Sagan, the face of science for the public through popular books and a hit TV series.
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Science news
Flying Nuclear Rockets: This Week in Space
Nuclear-thermal propulsion experiment, Israeli medical experiment in space, grants for new lunar technologies, and extraterrestrials in Congress.
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Science news
Lunar Landing Delayed: This Week in Space
Manned moon mission delayed, renewal of space tourism, another alien controversy, and novel insights into the solar wind.
