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Geotimes October 2006 Carolyn Gramling |
David Fastovsky: Dinosaur Virtuoso The paleontologist has played the viola in some of the finest dinosaur fossil sites in the world. |
Geotimes July 2005 Megan Sever |
Dinosaur Links Meat-Eaters and Vegetarians A new dinosaur, called Falcarius utahensis, has provided a previously missing link between carnivorous and herbivorous therizinosaurs, which lived millions of years apart. |
Scientific American May 16, 2005 Barry E. DiGregorio |
Doubts on Dinosaurs Yucatan impact crater may have occurred before the dinosaurs went extinct. |
Geotimes June 2006 Kathryn Hansen |
Penguins Endure Extinction Event Fossil and genetic evidence suggest that penguin ancestors living about 65 million years ago survived even more extreme conditions than they do today, including the impact that may have led to the demise of the dinosaurs. |
Geotimes April 2005 David B. Williams |
Mass Extinction, Massive Problem The great debate continues over the Great Dying -- the largest of all mass extinctions, which occurred 250 million years ago. The latest round of research casts doubt on an extraterrestrial impact as the cause of the extinction event. |
Geotimes December 2005 |
Highlights 2005 -- Paleontology The "Great Dying" debate... Tracking human migration... More "hobbits" in Indonesia... T. rex bones break ground... An evolving debate... |
Geotimes September 2006 Kathryn Hansen |
Large Dinosaurs Ran Hot Size does matter -- at least when it comes to dinosaurs' body temperatures, according to new research. Using growth rate and age information gleaned from fossils, researchers have estimated likely body temperatures for dinosaurs of various sizes, as well as tyrannosaur survival rates. |
Geotimes September 2006 Callan Bentley |
Summer Roadtrip: A Fossil Aquarium in Wyoming Fossil Butte National Monument is located in southwestern Wyoming, near the town of Kemmerer. It is the best place in the world to see freshwater lake fossils from 50 million years ago. |