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New Test Adds to Scientists' Understanding of Earth's History, Resources
December 5, 2012 — A new study provides the first direct chronological test of sequence stratigraphy, a powerful tool for exploring Earth’s natural ... > full story -
Great-Earthquake Hot Spots Pinpointed
December 5, 2012 — The world's largest earthquakes occur at subduction zones – locations where a tectonic plate slips under another. But where along these extended subduction areas are great earthquakes most ... > full story -
Oceanography Student Uses Crashing Waves on Shorelines to Study Earth's Interior
December 5, 2012 — Scientists have long used the speed of seismic waves traveling through the Earth as a means of learning about the geologic structure beneath the Earth's surface, but the seismic waves they use have ... > full story -
Pacific Northwest and Himalayas Could Experience Major Earthquakes, Geophysicists Say
December 4, 2012 — Recent research by scientists focused on geologic features and activity in the Himalayas and Pacific Northwest that could mean those areas are primed for major ... > full story -
Grand Canyon as Old as the Dinosaurs: Dates for Carving of Western Grand Canyon Pushed Back 60 Million Years
November 29, 2012 — An analysis of mineral grains from the bottom of the western Grand Canyon indicates it was largely carved out by about 70 million years ago -- a time when dinosaurs were around and may have even ... > full story -
Oceanic Crust Breakthrough: Solving a Magma Mystery
November 29, 2012 — Oceanic crust covers two-thirds of Earth's solid surface, but scientists still don't entirely understand the process by which it is made. Analysis of more than 600 samples of oceanic crust reveals a ... > full story -
Does Human Transformation of Land Threaten Future Sustainability?
November 27, 2012 — Social and physical scientists have long been concerned about the effects of humans on Earth's surface -- in part through deforestation, encroachment of urban areas onto traditionally agricultural ... > full story -
Ancient Microbes Found Living Beneath the Icy Surface of Antarctic Lake
November 26, 2012 — A pioneering study reveals, for the first time, a viable community of bacteria that survives and ekes out a living in a dark, salty and subfreezing environment beneath nearly 20 meters of ice in one ... > full storyMore: -
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How Does a Volcanic Crater Grow? Grab Some TNT and Find out
November 26, 2012 — A new study examines maar craters, which resemble the bowl-like cavities formed by meteorites but are in some ways more ... > full story -
Magnesium Oxide: From Earth to Super-Earth
November 22, 2012 — The mantles of Earth and other rocky planets are rich in magnesium and oxygen. Due to its simplicity, the mineral magnesium oxide is a good model for studying the nature of planetary interiors. New ... > full story
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