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“Solar System”

Jan 28, 2015 02:00 PM ET // Mike Wall, Space.com
Liquid water apparently flowed on the surface of the huge asteroid Vesta briefly in the relatively recent past, a surprising new study suggests.
Jan 27, 2015 04:54 PM ET // Irene Klotz
A NASA spacecraft en-route to the largest body in the asteroid belt between Mars and Jupiter returned its sharpest images yet of its target, the dwarf planet Ceres.
Jan 26, 2015 06:03 PM ET // Ian O'Neill
NASA has released radar observations of the 325 meter-wide asteroid that flew safely past Earth today, but in those grainy observations, asteroid 2004 BL86 appears to have company -- a small moon.
Jan 26, 2015 01:21 PM ET // Ian O'Neill
Comet 67P/Churyumov-Gerasimenko is shedding its old dusty coat and Europe's Rosetta mission is catching the individual flakes to understand some fascinating cometary dynamics.
Jan 24, 2015 06:00 PM ET // Calla Cofield, SPACE.com
A strange, flickering white blotch found on the dwarf planet Ceres by a NASA spacecraft has scientists scratching their heads.
Jan 22, 2015 02:00 PM ET // Irene Klotz
Early results from Europe’s ongoing Rosetta comet mission show the icy body, believed to be a remnant from the formation of the solar system, is far more complex and diverse than scientists expected.
Jan 21, 2015 03:00 PM ET // Ian O'Neill
Jan. 19, 2015, was a red letter day for NASA's Solar Dynamics Observatory -- one of its instruments, having continually stared at the sun for 5 years, captured its 100 millionth observation of our nearest star.
Jan 19, 2015 02:06 PM ET // Ian O'Neill
As NASA's trailblazing Dawn mission approaches dwarf planet Ceres, a new series of images beamed back show intriguing details.
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