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Hot Topic
Solar System
Mars
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Prolonged Precipitation
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| Topic: Mars |
09/10/08 |
| A new study suggests that recurrent floods carved valley networks on Mars during a long period of time when the climate of Mars resembled arid regions on Earth. The study is an important step toward understanding the potential for past life on the Red Planet. |
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Looking for Life on Mars – in a Canadian Lake
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| Topic: Mars |
09/08/08 |
| At first glance, Pavilion Lake, in British Columbia, looks like just another idyllic vacation spot. But beneath its surface lie some of the most unusual carbonate formations on Earth. |
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Climbing Out of a Crater
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| Topic: Mars |
08/31/08 |
| A year after descending into Victoria crater, NASA's Mars Exploration rover Opportunity is heading back out. Opportunity will now continue making important scientific observations on the martian plains. |
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Seeing Mars in a Particle of Dust
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| Topic: Mars |
08/26/08 |
| NASA's Phoenix lander has taken the first image of martian dust under a microscope. The technology will help scientists determine if Mars is, or ever was suitable for life. The achievement also highlights the capabilities of robotic microscopy on another planet. |
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Liquid Water in the Martian North? Maybe.
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| Topic: Mars |
08/22/08 |
| Scientists responsible for NASA's Phoenix mission were surprised to find the chemical compound perchlorate in the soil at the spacecraft's landing site. On Earth, perchlorate is commonly associated with liquid water. On Mars, however, the implication is not so clear. |
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Dress Rehearsal for Mars
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| Topic: Mars |
08/21/08 |
| Life-searching instruments are being tested in Rio Tinto, ready to be used as part of an upcoming mission to Mars. |
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Mawrth Vallis Water
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| Topic: Mars |
08/15/08 |
| Layers of clay have been discovered in the martian highlands using the Mars Reconnaissance Orbiter. The data indicates that liquid water was once widespread on early Mars. |
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Chasing Dust Devils
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| Topic: Mars |
08/09/08 |
| A new study in the deserts of Earth is helping scientists understand how dust devils on Mars affect the martian atmosphere and climate. The data could be useful in developing new missions, and will help astrobiologists understand if the martian climate was once capable of supporting life. |
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Perchlorates, Perchance?
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| Topic: Mars |
08/06/08 |
| Recent news reports have speculated that the Phoenix lander has discovered perchlorate on Mars. While Phoenix scientists admit that perchlorate salts may be present, they disagree with the assumption that the presence of such an oxidant makes the soil inhospitable for life. |
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