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The quest to confirm the existence of liquids on Mars has been ongoing for decades; it was known to host water billions of years ago and water is has been found to exist there in the form of ice, but the latest images from NASA’s Mars Reconnaissance Orbiter (MRO) indicate that water may not only be present, but running down the Martian hills.

Newly released photographs from a variety of different locations across the southern latitudes of the Red Planet show dark streaks, known as ”recurring slope lineae” or RSL, that appear to course down inclines in the same manner as flowing liquid.
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The Red Planet is in the news again this week: it appears that the planet which is in line for a bashing next year from Comet Siding Spring could once have supported life, as there is ice in the Martian soil. Does it support life now? There’s no evidence of natural life there, and the lack of free methane in the atmosphere suggests that not even bacteria live on Mars now. But generally dismissed and debunked features such as the Mars Face remain as a testament to the planet’s mysteries. For example, the photo accompanying this story was debunked as a ‘tiny rock’ on BadAstronomy.com and false stories that it had been ‘photoshopped,’ such as the one linked here, were widely circulated.read more

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When NASA’s Curiosity Rover first dug into the Martian desert, it found clays that could only have been formed by fresh water. This meant that, around three billion years ago, Mars was a watery planet. But did it support life? On the first anniversary of its landing, halfway through its primary mission, Curiosity is headed to the foothills of Mount Sharp, an 18,000-foot mountain whose rocks could provide clues to a time on Mars when life could have thrived. But because Curiosity is driving at a careful pace–about a hundred yards a day–the journey will take eight or nine months to complete.
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