Water on Mars … Again

Water on Mars … again, according to Nature News and Science (AAAS) News 25 July2018, multiple media sources, and Science 25 July 2018 doi: 10.1126/science.aar7268. Scientists analysing data from a space probe that sends ground penetrating radar to the surface of Mars have found “bright subsurface reflections” near the south pole of Mars.  The researchers […]

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Mars Streaks are Sand

Mars streaks are sand, not water, reports NASA News 21 November 2017, Science (AAAS) News 22 November 2017, Astronomy Now 26 November 2017, and Nature Geoscience doi:10.1038/s41561-017-0012-5, 20 November 2017. Dark streaks on crater slopes that came and went with the passing seasons have been presented as evidence of liquid water flowing on the surface […]

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