Science & Astronomy

Rough Road Ahead: Rocky Mars Terrain Challenges Curiosity Rover
Wheel Damage on Mars Rover
July 25th, 2014
Curiosity has just crossed out of its landing ellipse, the 12- by 4-mile(19 by 7 kilometers) zone targeted for its August 2012 touchdown and is now moving toward an increasingly challenging landscape called the Zabriskie Plateau.
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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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Alien Planet's Size Measured Like Never Before
Measuring an Alien Planet
July 25th, 2014
Using observations by NASA's Kepler and Spitzer space telescopes, researchers determined that the exoplanet Kepler-93b is 1.48 times the size of Earth, allowing scientists to conclude that the planet is very likely composed of iron and rock.
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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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Bunnies on the Moon? 7 Lunar Myths Apollo 11 Debunked
Apollo 11 East Crater
July 25th, 2014
Is the moon made of green cheese? Is it a hollow spaceship? Apollo 11 helped put these and other ideas to rest.
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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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