Russian scientists say they believe a 60-meter (66-yard) wide crater discovered recently in far northern Siberia could be the result of changing temperatures in the region.
Earth Sciences
Jul 18, 2014
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What is it with Russia and explosive events of cosmic origins? The 1908 Tunguska Explosion, the Chelyabinsk bolide of February 2013, and now this: an enormous 80-meter wide crater discovered in the Yamal peninsula in northern ...
Space Exploration
Jul 17, 2014
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(Phys.org) —A new study from Western explores the possibility that Earth's earliest life forms may have been cultivated by a meteorite impact event.
Space Exploration
Apr 16, 2014
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This image from Japan's ALOS satellite shows the Aorounga Crater in northern Chad.
Space Exploration
Nov 29, 2013
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A huge asteroid that wiped out the dinosaurs may not have been the only cosmic event to cause mass extinctions or change Earth's climate. Tiny minerals leftover from many smaller meteorites could provide the geological evidence ...
Space Exploration
Sep 12, 2013
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Differences between Martian meteorites and rocks examined by a NASA rover can be explained if Mars had an oxygen-rich atmosphere 4000 million years ago—well before the rise of atmospheric oxygen on Earth 2500 million years ...
Space Exploration
Jun 19, 2013
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(Phys.org) —Recent airborne geophysical surveys near Decorah, Iowa are providing an unprecedented look at a 470- million-year-old meteorite crater concealed beneath bedrock and sediments.
Earth Sciences
Mar 5, 2013
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(Phys.org)—Even comparatively small meteorite impact craters may have played a key role in the origin and evolution of early life on Earth, according to a researcher at The University of Western Australia.
Space Exploration
Feb 26, 2013
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A new University at Buffalo study in the journal Geophysical Research Letters examines maar craters, which resemble the bowl-like cavities formed by meteorites but are in some ways more mysterious.
Earth Sciences
Nov 26, 2012
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(Phys.org)—NASA's car-sized rover, Curiosity, has taken significant steps toward understanding how Mars may have lost much of its original atmosphere.
Space Exploration
Nov 2, 2012
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