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Hot Topic
Solar System
Mars
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On Mars, a River Ran Through It
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| Topic: Mars |
01/19/13 |
| New Mars Express images show a region of Reull Vallis on Mars where a channel 7 kilometers wide that may have been carved by flowing water. |
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Trail of Minerals is Evidence for Mars Water
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| Topic: Mars |
01/18/13 |
| Curiosity has tracked a trail of minerals on Mars that indicates water was once present in Gale Crater on Mars. Curiosity's ChemCam instrument detected veins composed mainly of hydrated calcium sulfate, such as gypsum. On Earth, forming such features requires liquid water. |
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Curiosity Prepares to Drill
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| Topic: Mars |
01/16/13 |
| Curiosity is driving toward a flat rock with pale veins that may hold clues to a wet history on the Red Planet. In the coming days, the rock could become the first to be drilled for a sample during the Mars Science Laboratory mission. |
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Salty Hiding Places for Life on Mars
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| Topic: Mars |
01/15/13 |
| Researchers have identified microorganisms that live inside salt deposits in the acidic and ferrous environment of the Tinto River in Huelva, Spain. The extreme conditions of these microniches appear to be similar to those of the salt deposits on Mars and Jupiter’s moon, Europa. |
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First Meteorite Linked to Martian Crust
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| Topic: Mars |
01/05/13 |
| Researchers have identified a new class of martian meteorite that likely originated from Mars' crust. The meteorite used in the study was also dated to the early Amazonian epoch on Mars and contains more water than any other martian meteorite yet found. |
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Astrobiology Top 10: Curiosity In It for the Long Haul
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| Topic: Mars |
01/02/13 |
| In the top story of 2012, NASA achieves success at Mars with the landing of the Curiosity rover. Curiosity’s first successful drive across the martian landscape was cause for celebration, and we took pause to reflect on MSL’s long-term goals. (Originally published on 08/27/12) |
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Astrobiology Top 10: Meteorite Provides Clues to Mars
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| Topic: Mars |
12/31/12 |
| As 2012 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 3, scientists announced that the Tissint meteorite showed evidence that it interacted with water on the martian surface before it made its long journey to Earth. (Originally published 10/14/12) |
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Astrobiology Top 10: Mars Rover Starts its 9th Year
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| Topic: Mars |
12/30/12 |
| As 2012 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 4, NASA's Opportunity rover continued to make discoveries as it began an incredible 9th year of science operations on Mars. (Originally published 05/01/2012) |
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Clays on Mars More Plentiful Than Expected
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| Topic: Mars |
12/23/12 |
| A new study indicates that clay minerals cover a larger portion of Mars than previously thought. Clay minerals usually form when water is present for long periods of time, and they could help astrobiologists understand the potential for habitable environments on ancient Mars. |
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