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Happy Anniversary, Viking 1! What Early Landers Taught Us About Mars
July 20, 2018 | ArticleNASA's Viking 1 Mars lander pulled off the first American touchdown on the Red Planet 42 years ago today (July 20). The mission reshaped our understanding of Mars and paved the way for future exploration.
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MAVEN: NASA's Orbiter Mission to Mars — Mission Details
July 19, 2018 | ReferenceNASA's Mars probe is expected to study the atmosphere of the Red Planet in amazing new detail.
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Young Star May Be Devouring a Planet
July 19, 2018 | ArticleResearchers at NASA's Chandra X-ray Observatory may have watched a young star devouring a planet.
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Dazzling Views Show Saturn Moon Titan's Surface Like Never Before
July 19, 2018 | ArticleThe mysterious surface of Saturn's huge moon Titan comes into gloriously sharp focus in newly released photos captured by NASA's Cassini spacecraft.
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Tiny Satellite Begins Hunt for Missing Milky-Way Matter
July 19, 2018 | ArticleA tiny satellite has started investigating the halo of incredibly hot gas surrounding the Milky Way — and it could help scientists track down the huge amount of missing matter in the universe.
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Milky Way Galaxy Is 'Disturbed' and More Revealed in ESA Gaia Mission Data (Video)
July 19, 2018 | ArticleThe European Gaia spacecraft recently released a catalog of the positions of 1.7 billion stars, mapping our stellar neighbors around the Milky Way with unprecedented precision.
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Image of the Day
July 19, 2018 | Image AlbumIn this view from outside the International Space Station, a NanoRacks cubesat deployer spits out a small satellite, deploying it into low Earth orbit above Australia on July 13.
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Dr. Pulsar and Mr. Magnetar? 2 Star Types May Turn into Each Other
July 19, 2018 | ArticleAre two different types of stars actually the same thing? Research of recent years shows that kinds of exotic stars — known as pulsars and magnetars — may actually be a single type of star, but at different stages of its lifetime, a new NASA video says.
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Universe Expansion 'Detective Story' Examined with New Tool
July 19, 2018 | ArticleA new technique that analyzes clashing observations may help solve the mystery behind the expansion of the universe.
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Wandering Star May Have Disrupted Outer Solar System's Order
July 19, 2018 | ArticleThere's something strange about the outer solar system — and that could be the signature of a long-ago visit to our neighborhood.
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