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Scientists Thought Ancient Water Carved Martian Gullies. New Analysis Says Otherwise

Turns out Mars' mysterious gullies likely aren't evidence of water, after all.

Scientists Thought Ancient Water Carved Martian Gullies. New Analysis Says Otherwise
Ever since spotting gullies on Mars, scientists really hoped that they meant our neighboring planet once harbored liquid water. Then, in 2014, NASA put a damper on that theory; the gullies were a lot… [Read Full Story on Gizmodo.com →](https://gizmodo.com/scientists-thought-ancient-water-carved-martian-gullies-new-analysis-says-otherwise-2000811470)