Paleontology
- 			 Paleontology PaleontologyJust a quick biteSaber-toothed cats living in North America around 10,000 years ago had a much weaker bite than modern big cats. 
- 			 Paleontology PaleontologyUnexpected Archive: Mammoth hair yields ancient DNAHair from ancient mammoths contains enough genetic material to permit reconstruction of parts of the animal's genome. By Sid Perkins
- 			 Paleontology PaleontologyBumpy Bones: Fossil hints that dinosaur had feathery forearmsA series of knobs on the forearm bone of a 1.5-meter-long velociraptor provides the first direct evidence of substantial feathers on a dinosaur of that size. By Sid Perkins
- 			 Paleontology PaleontologyDinosaurs’ gradual rise to dominanceEarly dinosaurs didn't quickly eclipse the creatures they evolved from, but lived alongside them for perhaps 20 million years. By Sid Perkins
- 			 Paleontology PaleontologyJurassic CSI: Fossils indicate central nervous system damageFossils found in the head-thrown-back position, the so-called "dead bird" pose, probably died from central nervous system damage. 
- 			 Paleontology PaleontologyWinged dragonA quarry on the Virginia–North Carolina border has yielded fossils of an unusual gliding reptile that lived in the region about 220 million years ago. By Sid Perkins
- 			 Paleontology PaleontologyBig and Birdlike: Chinese dinosaur was 3.5 meters tallPaleontologists have unearthed the remains of a gigantic birdlike dinosaur, 3.5 meters tall, that lived 70 million years ago in what is now China. By Sid Perkins
- 			 Paleontology PaleontologyForest Primeval: The oldest known trees finally gain a crownRecently unearthed fossils provide new insights about the appearance of the world's oldest known trees, plants that previously were known only from preserved stumps. By Sid Perkins
- 			 Paleontology PaleontologyAncient Extract: T. rex fossil yields recognizable proteinNew analyses of a Tyrannosaurus rex leg bone reveal substantial remnants of proteins that strengthen the link between modern birds and dinosaurs. By Sid Perkins
- 			 Paleontology PaleontologyBirds’ ancestors had small genomes tooAmong mammals, reptiles, and related animals, today's birds have the smallest genomes, and the dinosaurs that gave rise to birds had small genomes as well. By Sid Perkins
- 			 Paleontology PaleontologyCatching evolution in the actPaleontologists have unearthed fossils that provide direct evidence of something scientists had long suspected: The tiny bones in the middle ears of modern-day mammals evolved from bones located at the rear of their reptilian ancestors' jaws. By Sid Perkins
- 			 Paleontology PaleontologyAncient slowpokeA 1-centimeter-long, 505-million-year-old fossil from British Columbia represents a creature that joins two lineages of marine invertebrates from that era that scientists previously hadn't linked. By Sid Perkins