Geology

Environment / Earth Science

From the January 2005 issue, published online January 2, 2005

42: Geologists Create First New Period in 113 Years
72: Inner Earth Revealed

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73: Plate Tectonic Shifts Suck In Ocean Water
92: Life’s Fifth Element Came From Meteors

The Man Who Discovered What Killed the Dinosaurs
Geologist Walter Alvarez describes how rocks tell the story of Earth's history. October 26, 2009

Building an Interstate Highway System for Energy
Tomorrow’s smart grid will keep the lights on and factories humming with clean (but fickle) renewable energy. June 10, 2009

A Scientist's Guide to Finding Alien Life: Where, When, and in What Universe
A variety of new findings point to the "habitable zones" where we're likely to find extraterrestrials. May 11, 2009

The World's Biggest Tornado Hunt
Next month, 100 meteorologists will try to finally understand the dynamics of tornadoes—like the one that killed three people in Mena, Arkansas, last night. April 10, 2009

Diamonds Are a Geologist's Best Friend
Tiny carbon spheres hidden under rock and ice may be telltales of cataclysmic comet strikes. April 06, 2009

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Environment / Earth Science

Geology