The cyclic wobble of the Earth on its axis, axial precession, controls the production of  "fixed" nitrogen, a nutrient essential to the health of the ocean, according to a new study. The…

Researchers have uncovered the largest single volcano yet documented on Earth. Tamu Massif covers an area roughly equivalent to the British Isles or the state of New Mexico, making it nearly as big…

Natural rivers are not straight and they are rarely idle; instead, they bend and curve and sometimes appear to wriggle across the surface over time. That rivers can meander is obvious but how and…

Early on a winter morning in 2011, residents of western Norway who lived or worked along the shores of the nation's fjords were startled to see the calm morning waters suddenly begin to rise and fall…

Data collected from 2009 through 2012 by NASA's Operation IceBridge, an airborne science campaign that studies polar ice, reveals evidence of a large and previously unknown canyon hidden under a mile…

The people of Youngstown, Ohio say they never felt an earthquake before two-and-a-half years ago. But between January of 2011 and February of 2012, 109 tremors were recorded and the author of a new…

Monitoring slow earthquakes may provide the basis for reliable prediction in areas where slow quakes trigger normal earthquakes. Geoscientists looked at the mechanisms behind slow earthquakes and…

Ice ages and warm periods have alternated fairly regularly in the Earth's history: 90,000 of every 100,000 years in the past had vast areas of North America, Europe and Asia being buried under thick…

If you want to understand Earth's evolution, start with how heat is conducted in the deep lower mantle 400 to 1,800 miles below the surface. Researchers recently did. They were able to simulate the…

A new mineral, cubic boron nitride, has been officially approved by the International Mineralogical Association as “qingsongite.”  You'd think there aren't a lot of mineral discoveries happening…