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Terrestrial deep-water marine polygons, front, color image, are potential morphological and genetic analogs to large-scale Martian polygonal features, grayscale (© The Geological Society of America, Inc.)

Geologic Features on Earth Hint at Ancient Martian Oceans

Jul 30, 2012 by Sergio Prostak

In a new study, geologists at the University of Texas at Austin have examined large-scale polygons on Mars and compared them to similar features on Earth’s...

The most reactive chemical element, fluorine, has been claimed not to occur in nature. First direct evidence from in situ NMR spectroscopy now proves that elemental fluorine indeed occurs in nature as an occlusion in antozonite (Didier Descouens)

Scientists Discover Elemental Fluorine in Nature

Jul 5, 2012 by Natali Anderson

German researchers have succeeded in proving the presence of elemental fluorine in a mineral called antozonite. The most reactive chemical element, fluorine,...

An artistic expression of how a large meteorite impact into the sea might have looked in the first second of the impacting (Carsten Egestal Thuesen / GEUS)

Oldest Known Impact Crater Discovered in Greenland

Jul 3, 2012 by Sci-News.com

European scientists have discovered a 100 km-wide crater, the result of a massive asteroid or comet impact a billion years before any other known collision...

A fragment of the Allende meteorite (H. Raab)

New Mineral Found in Allende Meteorite

Jun 26, 2012 by Sci-News.com

Scientists from the California Institute of Technology have discovered a new mineral embedded in the Allende meteorite that fell in central Mexico more...

Cinnabar, the most common ore of mercury, on dolomite (JJ Harrison / Noodlesnacks.com)

Study Sheds Light on Mercury Mineral Evolution

Jun 26, 2012 by Sergio Prostak

A new study has demonstrated that the creation of most minerals containing mercury is fundamentally linked to several episodes of supercontinent assembly...

New Insights into Formation of Mineral Dolomite

Jun 11, 2012 by Sci-News.com

A new study by a team of biologists and geochemists from GEOMAR-Helmholtz Centre for Ocean Research Kiel, Germany, has demonstrated that Desulfobulbus...

Archaeological ruins of Mohenjo-daro: built around 2600 BC and abandoned in the 19th century BC, Mohenjo-daro was one of the largest settlements of the ancient Harappan civilization (Comrogues)

Study Suggests Climate Change Led to Collapse of Harappan Civilization

May 28, 2012 by James Freeman

A new study has suggested that climate change was a key ingredient in the collapse of the Harappan civilization. Archaeological ruins of Mohenjo-daro:...

A diamond in kimberlite rock, Jwaneng Diamond Mine, Botswana (University of Southampton)

Diamonds and Chocolate: New Volcanic Process Discovered

May 16, 2012 by Enrico de Lazaro

Scientists from Britain and Australia have discovered a previously unrecognized volcanic process, similar to one that is used in chocolate manufacturing,...