Mercury's volcanic past revealed
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A flyby by a Nasa unmanned space probe has revealed evidence of "widespread" volcanism on the planet Mercury.
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Scientists identify the area of Saturn's moon Titan where the Huygens spacecraft touched down in new images released by the European Space Agency.
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The Cassini spacecraft&#39;s close flyby of Saturn&#39;s mysterious moon Titan this week revealed clouds that will give clues to its weather, but the pass left scientists still puzzled about its surface.
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Mars shows signs of geologically recent volcanic activity, and scientists find to their surprise that another volcanic blast may be in the Red Planet&#39;s future.
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The tallest mountains ever seen on Titan -- coated with layers of organic material and blanketed by clouds -- have been imaged on Saturn's moon Titan by NASA's Cassini spacecraft.
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NASA researchers share the "goldmine of exciting data" sent by the Messenger probe from its flyby of Mercury.
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A giant rock spotted on the fringes of the Solar System has frozen water crystals on its surface, an intriguing discovery that suggests it may harbour volcanic activity, a study says.
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PASADENA, Calif.  - The world's first glimpse of  the surface of the Saturnian moon Titan revealed an unexpected  mix of icy land and liquid as the Huygens space probe touched  down on Friday.
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Scientists release results from Huygens' journey to Saturn's moon, revealing evidence of flooding on the surface.
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Scientists now have their first direct evidence of changing weather patterns on Titan, Saturn&#39;s largest moon. When the Cassini spacecraft flew past the satellite on Monday it spied clouds at mid-latitudes
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By The Associated Press. Photographs taken by a spacecraft orbiting Mars indicate that active volcanoes may still exist on the planet, a finding that further erodes its image as a dead
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Scientists believe heat from radioactive decay inside a tiny, icy Saturn moon shortly after it formed billions of years ago may explain why geysers are erupting from the surface today.
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Mars, the red planet, may not after all be the dead planet. New research yesterday by European scientists suggests that volcanoes on Mars last erupted only 2 million years ago and could erupt again.
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A team of scientists says it was at Gibraltar 28,000 years ago, 2,000 years more recently than previously thought.
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A space probe landed successfully on Saturn's giant moon Titan yesterday after a seven-year journey, and immediately began transmitting images of its mysterious surface. A landscape emerged of canyons carved by liquid, a possible shoreline, and ice blocks, parts of a world that scientists believe resembles the early Earth.
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DARMSTADT, Germany -- The  first pictures revealing the surface of Saturn's moon, Titan, were shown from  Europe's Huygens probe, showing what look like drainage channels on the surface  of what until today has been a planet totally hidden from view.
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Did you know that Mars has polar caps made of dry ice and a volcano the size of Arizona? Read more surprising facts about our celestial neighbor.