Author: Kevin Krajick32
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Gavin Schmidt Named Director of Goddard Institute for Space Studies
NASA has named Gavin A. Schmidt to head its Goddard Institute for Space Studies (GISS), an affiliate of Columbia University’s Earth Institute. Currently serving as deputy director, Schmidt takes over from long-time director James E. Hansen, who retired last year to open a separate climate science and advocacy center at the Earth Institute.
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Modern Ocean Acidification Is Outpacing Ancient Upheaval, Study Suggests
Rate May Be Ten Times Faster, According to New Data
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Climate and the Opal Artisans of the Sea
Tiny one-celled organisms called radiolaria are ubiquitous in the oceans, but various species prefer distinct habitats. Thus it aroused considerable intrigue in 2012 when protozoa specialist O. Roger Anderson and colleagues published a study showing that radiolaria normally found near the equator were suddenly floating around in arctic waters above Norway. Was this a sign…
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Northeast Already Hit by Climate Change, Says Major U.S. Report
Increase in Big Storms, Sea Level, Outpaces Rest of Nation
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Amid a Fossil Bonanza, Drilling Deep into Pre-Dinosaurian Rocks
On a high ridge in Arizona’s Petrified Forest National Park, paleontologist Paul Olsen sits on the fallen trunk of a 215-million-year-old tree, now turned to stone. The tree once loomed 70 or 80 feet above a riverine landscape teeming with fish, turtles, giant crocodilians and tiny, early species of dinosaurs.
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Photo Essay: Unearthing the Lost World Below a Petrified Forest
In Arizona’s Petrified Forest National Park, researchers are scouring the fossil-rich surface and drilling deep into ancient rocks to learn what happened during the late Triassic, some 201 million to 235 million years ago.
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The Isthmus of Panama: Out of the Deep Earth
The creation of the narrow isthmus that joins North and South America changed not just the world map, but the circulation of oceans, the course of biologic evolution, and probably global climate. Scientists try to decipher the story behind its formation.
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Photo Essay: Exploring the Rocks That Join the Americas
The formation of the slender land bridge that joins South America and North America was a pivotal event in earth’s history. At its narrowest along the isthmus of Panama, it changed not just the world map, but the circulation of oceans, the course of biologic evolution, and global climate. Cornelia Class, a geochemist at Columbia…
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Mongol Empire Rode Wave of Mild Climate, Says Study
But Warming Now May Be Tipping Region Into Unparalleled Drought