Tag Archives: Yellowknife Bay

Curiosity peels back layers on ancient martian lake

A long-lasting lake on ancient Mars provided stable environmental conditions that differed significantly from one part of the lake to another, according to a comprehensive look at findings from the first three-and-a-half years of NASA’s Curiosity rover mission. Different conditions … Continue reading

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Curiosity findings from Yellowknife Bay sharpen CO2 paradox of ancient Mars climate

Mars scientists are wrestling with a problem. Ample evidence says ancient Mars was sometimes wet, with water flowing and pooling on the planet’s surface. Yet, the ancient sun was about one-third less warm and climate modelers struggle to produce scenarios … Continue reading

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Earth-like soils in Gale Crater?

Soil deep in a crater dating to some 3.7 billion years ago contains evidence that Mars was once much warmer and wetter, says University of Oregon geologist Gregory Retallack, based on images and data captured by the rover Curiosity. [His … Continue reading

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