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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 be remains of an ...

dateMay 21, 2015 in Space Exploration
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Signs of extensive groundwater system on Mars

In its early years, planet Mars comprised large volumes of groundwater, which regularly flowed to the surface. This is the conclusion reached by Utrecht University's PhD candidate Wouter Marra following observations and scale ...

dateMay 20, 2015 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 that could ...

dateMay 19, 2015 in Earth Sciences
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Mystery methane on Mars: The saga continues

Is the Red Planet giving off methane? The question has taunted scientists for nearly 50 years, ever since the Mariner 7 spacecraft detected a whiff of the gas near Mars' south pole. Researchers retracted the finding a month ...

dateMay 15, 2015 in Space Exploration
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Does the red planet have green auroras?

Martian auroras will never best the visual splendor of those we see on Earth, but have no doubt. The red planet still has what it takes to throw an auroral bash. Witness the latest news from NASA's MAVEN atmospheric probe.

dateMay 14, 2015 in Space Exploration
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