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Alligators Breathe Like Birds, Study Finds
January 14, 2010 — Scientists discovered that air flows in one direction as it loops through the lungs of alligators, just as it does in birds. The study suggests this breathing method may have helped the dinosaurs' ... > full story -
From Crickets to Whales, Animal Calls Have Something in Common
January 5, 2010 — Animals produce a tremendous diversity of sounds for communication to perform life's basic functions, from courtship and parental care to defense and foraging. Explaining this diversity in sound ... > full story -
Fossil Shelved for a Century Reworks Carnivore Family Tree: Limbs Changes Understanding of Early Carnivore Locomotion
December 22, 2009 — Now that an early carnivore fossil has been fully removed from its matrix (this after spending over a century on a shelf because of the associated crushed teeth), scientists are able to re-interpret ... > full story -
Early Carnivorous Dinosaur Crossed Continents, Alters Evolutionary Tree
December 10, 2009 — Discovery of a new species of 213-million-year-old meat-eating dinosaur in New Mexico suggests the first dinosaurs wandered between parts of the Pangea supercontinent that later became North and ... > full story -
Earliest Tyrannosauroid Rediscovered in Museum Collection
November 4, 2009 — A long forgotten fossil skull in the collections of the Natural History Museum in London has now provided crucial clues to the early stages of the lengthy evolutionary history of Tyrannosaurus rex ... > full story -
Terrible Teens Of T. Rex: Young Tyrannosaurs Did Serious Battle Against Each Other
November 2, 2009 — Teenage tyrannosaurs got into some serious fights with their peers. The evidence can be found on Jane, a prized juvenile Tyrannosaurus rex, discovered in 2001 in Montana. The dinosaur's fossils show ... > full story -
New Analyses Of Dinosaur Growth May Wipe Out One-Third Of Species
October 31, 2009 — Paleontologists Mark Goodwin and Jack Horner have dug for 11 years in Montana's Hell Creek Formation in search of every dinosaur fossil they can find, accumulating specimens of all stages of ... > full story -
Galaxy Cluster Smashes Distance Record
October 22, 2009 — The most distant galaxy cluster yet has been discovered by combining data from NASA's Chandra X-ray Observatory and optical and infrared telescopes. The cluster is located about 10.2 billion light ... > full story -
Rare Evidence Of Dinosaur Cannibalism: Meat-Eater Tooth Found In Gorgosaurus Jawbone
October 6, 2009 — A Canadian researcher has found 70 million year old evidence of dinosaur cannibalism. The jawbone of what appears to be a Gorgosaurus was found in 1996 in southern Alberta. A technician at the Royal ... > full story -
Bizarre New Horned Tyrannosaur From Asia: Carnivorous But Smaller T. Rex Relative 'Like Ballerina'
October 5, 2009 — Just a few weeks after tiny, early Raptorex kriegsteini was unveiled, a new wrench has been thrown into the family tree of the tyrannosaurs. The new Alioramus altai -- a horned, long-snouted, gracile ... > full story
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