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Geology

NASA's Mars Curiosity rover has been forced to alter its route after being faced with dangerous terrain. The current objective of the robotic explorer is to investigate a geological boundary between two distinct forms of bedrock as a part of its mission to explore the heights of Mount Sharp, and ultimately unlock the secrets of the Red Planet's ancient past.

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ESA's Mars Express orbiter has captured images that may indicate the presence of supervolcanoes on the surface of Mars. If the findings are later confirmed, the existence of these leviathan volcanoes may greatly inform current theories on climate formation, as eruptions from the supervolcanoes could have dramatically altered the Martian global environment.

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The chances of life having once existed on Mars got a boost this week alongside good news for astronauts on any future expeditions to the Red Planet. Six papers from Curiosity team members presented to the autumn meeting of the American Geophysical Union in San Francisco revealed that they had directly dated their first Martian rock, gave details of an ancient lake where life may once of existed, and found new evidence about the radiation hazards that explorers and colonists may one day face. Read More
It’s no secret that volcanic eruptions can cool the planet by spewing ash and droplets of sulfuric acid into the atmosphere that obscure the sun. Now researchers at Germany’s GEOMAR Helmholtz Centre for Ocean Research Kiel and Harvard University have found evidence that suggest the reverse could also be true. The researchers have discovered a strong historical link between global temperature increases and increases in volcanic activity. Read More
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