Science & Astronomy

Hubble Telescope Spies Off-Kilter Halo Around Distant Galaxy (Images)
Halo Around Galaxy Centaurus A
July 24th, 2014
The Hubble Space Telescope has created the most detailed map ever of the star-filled halo encircling Centarus A, the closest giant elliptical galaxy to our Milky Way galaxy. The map reveals a surprising amount of heavy metals along the halo's outer edge.
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WATCH LIVE @ 3 pm ET: How the Hubble Space Telescope Works Webcast
Pillars of Creation Image by Hubble Space Telescope
July 24th, 2014
Scientists with the Hubble Space Telescope are hosting a webcast to answer questions about how NASA and the European Space Agency's huge eye in the sky works.
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Is Voyager 1 Really in Interstellar Space? New Test Could Prove It for Good
Voyager Artist's Rendition
July 23rd, 2014
Scientists are still debating whether NASA's Voyager 1 spacecraft is in interstellar space, but a new study outlines a test that could definitively show where the far-flung probe is on its journey out of the solar system.
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NASA's Chandra X-Ray Space Telescope Celebrates 15 Years of Discoveries
NASA’s Chandra X-ray Observatory Celebrates 15th Anniversary
July 23rd, 2014
The agency's Chandra X-ray Observatory — one of NASA's 'Great Observatories,' along with the Hubble and Spitzer space telescopes and the now-retired Compton Gamma Ray Observatory — launched aboard the space shuttle Columbia on July 23, 1999.
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45 Years After Moon Landing, NASA is MIA (Op-Ed)
The logo of NASA, the National Aeronautics and Space Administration.
July 23rd, 2014
The United States is outsourcing space exploration to other countries, something that should be a cause for concern.
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