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Impact crater or supervolcano caldera?

At first glance, the region covered by this latest Mars Express image release appears to be pockmarked with impact craters. But the largest structure among them may hold a rather explosive secret: it could ...

dateMay 21, 2015 in Space Exploration
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Forces of martian nature

The surface of Mars is pocked and scarred with giant impact craters and rocky ridges, as shown in this new image from ESA's Mars Express that borders the giant Hellas basin in the planet's southern hemisphere.The ...

dateJul 11, 2014 in Space Exploration
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Driest place on Earth hosts life

Researchers have pinpointed the driest location on Earth in the Atacama Desert, a region in Chile already recognised as the most arid in the world. They have also found evidence of life at the site, a discovery ...

dateMay 19, 2015 in Earth Sciences
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Mars, too, has macroweather

Weather, which changes day-to-day due to constant fluctuations in the atmosphere, and climate, which varies over decades, are familiar. More recently, a third regime, called "macroweather," has been used ...

dateNov 13, 2014 in Space Exploration
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Coronal mass ejections at Mars

Looking across the Mars landscape presents a bleak image: a barren, dry rocky view as far as the eye can see. But scientists think the vista might once have been quite different. It may have teemed with water ...

dateSep 24, 2014 in Space Exploration
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Earth science on Mars

"All systems go!" I said cautiously with a long sigh of relief. I had approved plans for the first soil analysis that would give humankind clues to the past and future habitability of Mars.

dateNov 06, 2014 in Space Exploration
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